{"title":"PV Accessories","description":"","products":[{"product_id":"hoymiles-dtu-wlite-s-datenuebertragungseinheit-mikrowechselrichter","title":"Hoymiles DTU-WLite-S data transmission unit for HMS microinverters","description":"\u003ch2\u003eHoymiles DTU-WLite-S – Gateway for PV monitoring with WLAN\u003c\/h2\u003e\n\u003cp\u003eThe Hoymiles DTU-WLite-S is a compact data transmission unit for monitoring PV systems with Hoymiles HMS and HMT microinverters. It collects operating data wirelessly and transmits it to the S-Miles Cloud via WLAN.\u003c\/p\u003e\n\u003cp\u003eIdeal for private photovoltaic systems, the device enables module-level monitoring as well as remote access to performance data and system status.\u003c\/p\u003e\n\u003ch3\u003e⭐ Highlights \/ Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e⭐ Module-level monitoring of up to 4 PV modules\u003c\/li\u003e\n\u003cli\u003e⭐ WLAN connection to the S-Miles Cloud for remote access\u003c\/li\u003e\n\u003cli\u003e⭐ Plug \u0026amp; Play installation with compact design\u003c\/li\u003e\n\u003cli\u003e⭐ Sub-1G radio technology for stable communication\u003c\/li\u003e\n\u003cli\u003e⭐ Real-time data and alarm notifications via app\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplication area \u0026amp; target group\u003c\/h2\u003e\n\u003cp\u003eThe Hoymiles DTU-WLite-S is suitable for small PV systems in the private sector as well as for balcony power plants. It is ideal for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePrivate customers with microinverter systems\u003c\/li\u003e\n\u003cli\u003ePlumbing, heating, and electrical contractors\u003c\/li\u003e\n\u003cli\u003eNew construction and retrofitting of existing PV systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eEveryday benefits\u003c\/h2\u003e\n\u003cp\u003eWith the DTU-WLite-S, you always keep an eye on your PV system. The data is automatically transferred to the S-Miles Cloud, so you can conveniently monitor performance, yield, and status via app or web browser.\u003c\/p\u003e\n\u003cp\u003eModule-level analysis allows errors to be detected early and maintenance measures to be planned efficiently.\u003c\/p\u003e\n\u003ch2\u003eTechnology \u0026amp; equipment\u003c\/h2\u003e\n\u003cp\u003eThe DTU-WLite-S acts as the central interface between microinverters and the monitoring platform. Communication occurs:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ewirelessly via Sub-1G radio to the microinverters\u003c\/li\u003e\n\u003cli\u003evia WLAN (802.11 b\/g\/n) for cloud connection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstallation is carried out directly via plug connection with an external power supply. A mobile app supports commissioning and system configuration.\u003c\/p\u003e\n\u003ch2\u003eEfficiency \u0026amp; Environment\u003c\/h2\u003e\n\u003cp\u003eThrough continuous data collection and analysis, the DTU enables optimal use of your PV system. Errors or performance losses can be quickly detected and remedied.\u003c\/p\u003e\n\u003cp\u003ePower consumption is only typically 1.0 W, keeping self-consumption to a minimum.\u003c\/p\u003e\n\u003ch2\u003eCompatibility \u0026amp; System Integration\u003c\/h2\u003e\n\u003cp\u003eThe Hoymiles DTU-WLite-S is compatible with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHoymiles HMS microinverters\u003c\/li\u003e\n\u003cli\u003eHoymiles HMT microinverters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt is part of the Hoymiles system consisting of microinverters, DTU, and S-Miles Cloud for complete system monitoring.\u003c\/p\u003e\n\u003ch2\u003eTechnical data\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eHoymiles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eDTU-WLite-S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eData transmission unit (gateway)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMicroinverter communication\u003c\/td\u003e\n\u003ctd\u003eSub-1G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. range\u003c\/td\u003e\n\u003ctd\u003e400 m (open field)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. modules\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCloud connection\u003c\/td\u003e\n\u003ctd\u003eWLAN 802.11 b\/g\/n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData transmission\u003c\/td\u003e\n\u003ctd\u003eevery 15 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower supply\u003c\/td\u003e\n\u003ctd\u003e5 V \/ 2 A power adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower consumption\u003c\/td\u003e\n\u003ctd\u003etyp. 1.0 W \/ max. 5.0 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature range\u003c\/td\u003e\n\u003ctd\u003e-20 °C to +55 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e143 × 33 × 12.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertification\u003c\/td\u003e\n\u003ctd\u003eCE (RED 2014\/53\/EU)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eScope of delivery\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHoymiles DTU-WLite-S\u003c\/li\u003e\n\u003cli\u003eNote: Power supply unit not included in delivery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAccessories \u0026amp; system recommendation\u003c\/h2\u003e\n\u003cp\u003eFor optimal operation, we recommend suitable components from the Hoymiles system.\u003c\/p\u003e\n\u003cdiv class=\"cross-sell\"\u003e\n\u003ch3\u003eSuitable system components\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/gemashop.de\/collections\/mikrowechselrichter\"\u003eMicroinverters\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/gemashop.de\/collections\/photovoltaik-zubehoer\"\u003ePhotovoltaic accessories\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/gemashop.de\/collections\/balkonkraftwerk\"\u003eBalcony power plant kits\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/gemashop.de\/collections\/pv-monitoring\"\u003ePV monitoring systems\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch2\u003eMounting and safety instructions\u003c\/h2\u003e\n\u003cp\u003eInstallation may only be carried out by qualified specialist personnel. The device must be protected from moisture, dust, and aggressive environments. Operation takes place within a temperature range of -20 °C to +55 °C.\u003c\/p\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat is the Hoymiles DTU-WLite-S used for?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe DTU serves as a gateway for transmitting data between microinverters and the S-Miles Cloud.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhich inverters is the DTU compatible with?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe DTU-WLite-S is compatible with Hoymiles HMS and HMT microinverters.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eHow many modules can be monitored?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eUp to 4 PV modules can be monitored, depending on installation conditions.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eHow is the internet connection established?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe connection to the cloud is established via WLAN (802.11 b\/g\/n).\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eIs a power supply unit included in the scope of delivery?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eNo, a suitable 5V\/2A power supply unit must be provided separately.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eCan I monitor the system via an app?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes, all data can be viewed via the S-Miles Cloud app or web platform.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Tepto","offers":[{"title":"Заглавие по подразбиране","offer_id":48982331720028,"sku":"ZM6044","price":36.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/hoymiles-dtu-wlite-wlan-stick-fur-hm-serie-und-s-miles-cloud-1464149.png?v=1770692949"},{"product_id":"hoymiles-hms-anschlusskabel-field-connector-auf-schukostecker-steckdose-kabel","title":"Hoymiles HMS connection cable Field Connector to Schuko plug\/socket cable","description":"\u003ch2\u003e\u003cspan\u003eHoymiles HMS connection cable, field connector to Schuko plug\/socket cable\u003c\/span\u003e\u003c\/h2\u003e  \u003cdiv\u003e  \u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e  \u003c\/div\u003e  \u003cdiv\u003e\u003cspan\u003eThe connection cable was specifically designed for PV systems with a microinverter. It consists of the HMS field connector, the AC cable, and the plug. The HMS field connector is connected to the microinverter, while the plug is connected to a standard household outlet. This straightforward plug-and-play design allows for quick and easy connection of the individual microinverter system to the grid.\u003c\/span\u003e\u003c\/div\u003e  \u003cdiv\u003e\u003cspan\u003e  \u003c\/span\u003e\u003c\/div\u003e  \u003ch3\u003e\u003cspan\u003eTechnical data:\u003c\/span\u003e\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003e\u003cspan\u003eNominal voltage: 300V\u003c\/span\u003e\u003c\/li\u003e  \u003cli\u003e\u003cspan\u003eMax. current: 12A\u003c\/span\u003e\u003c\/li\u003e  \u003cli\u003e\u003cspan\u003eAmbient temperature range: -40 °C ~ +85 °C\u003c\/span\u003e\u003c\/li\u003e  \u003cli\u003e\u003cspan\u003eProtection rating: IP68\u003c\/span\u003e\u003c\/li\u003e  \u003cli\u003e\u003cspan\u003eDimensions of Field Connector: 495 × 290 × 255 mm\u003c\/span\u003e\u003c\/li\u003e  \u003c\/ul\u003e","brand":"Tepto","offers":[{"title":"5 meters","offer_id":49058519744860,"sku":"ZM6106.5","price":21.99,"currency_code":"EUR","in_stock":true},{"title":"10 meters","offer_id":49058519777628,"sku":"ZM6106.10","price":32.99,"currency_code":"EUR","in_stock":true},{"title":"15 meters","offer_id":49058519810396,"sku":"ZM6106.15","price":44.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/hoymiles-hms-anschlusskabel-field-connector-auf-schukosteckersteckdose-kabel-4558715.png?v=1770692727"},{"product_id":"solar-heizstab-fothermo-rod-550-550-w-mc4","title":"Solar heating element fothermo ROD-550 – 550 W PV heating element with MC4","description":"\u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eProduct Overview \u0026amp; Application Area\u003c\/h2\u003e \u003cp\u003eThe fothermo ROD-550 is a photovoltaic screw-in heating element for direct water heating in suitable hot water and heating storage tanks. The direct current from the photovoltaic modules is used directly for heat generation. For pure off-grid operation, neither an inverter nor a battery storage system is required.\u003c\/p\u003e \u003cp\u003eThe solar heating element achieves a heating output of up to 550 W in photovoltaic operation. It is suitable for storage tanks with a matching G-1-1\/2-inch thread socket and sufficient installation space. The actually available heating output depends on the connected module output and the current solar irradiation.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eTechnology \u0026amp; Equipment\u003c\/h2\u003e \u003cp\u003eAn integrated MPP tracker adapts operation to the available output of the photovoltaic modules. The digital display shows the current water temperature, PV input power, input voltage, and the total photovoltaic energy used.\u003c\/p\u003e \u003cp\u003eThe desired maximum temperature is adjustable and preset to 65 °C at the factory. The heating process ends as soon as the set temperature is reached. An integrated reverse polarity protection supports the safe connection of the photovoltaic modules.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eEveryday Benefits\u003c\/h2\u003e \u003cp\u003eThe ROD-550 uses solar power directly where heat is needed: in the existing water storage tank. This can relieve the conventional hot water preparation, especially during sun-rich periods.\u003c\/p\u003e \u003cp\u003eThe direct MC4 connection reduces the required system setup. The heating element operates with safety extra-low voltage and independently of the public power grid. The display enables quick monitoring of the current operating status.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eSystem Integration \u0026amp; Compatibility\u003c\/h2\u003e \u003cp\u003eThe heating element is screwed into a designated tank socket via a G-1-1\/2-inch external thread. Before selection, the connection size, available installation space, and the suitability of the tank for a screw-in heating element must be checked.\u003c\/p\u003e \u003cp\u003eThe photovoltaic modules are connected via the permanently mounted MC4 connectors. Multiple modules may only be connected in parallel. The maximum open-circuit voltage of the connected modules must not exceed 50 V DC. A total of up to 2,000 Wp of photovoltaic power can be connected.\u003c\/p\u003e \u003c\/div\u003e \u003cstyle\u003e .product-th{margin-top:2rem}.product-th h2{margin:0 0 1rem}.product-th__table{width:100%;border-collapse:separate;border-spacing:0}.product-th__table td{padding:.95rem 1rem;vertical-align:top}.product-th__label{font-weight:700;width:38%;color:#213670}.product-th__value{color:#1f2937}.product-th__table tr:nth-child(odd) td{background:#f4f7fb}.product-th__table tr:nth-child(even) td{background:#fafbfd} \u003c\/style\u003e \u003cdiv class=\"product-th\"\u003e \u003ch2\u003eTechnical data at a glance\u003c\/h2\u003e \u003ctable class=\"product-th__table\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eHeating output\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eup to 550 W in PV operation\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003ePV voltage\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003emaximum 50 V DC open-circuit voltage\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eElectrical connection\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eMC4\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eInstallation length\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eapprox. 303 mm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eMaximum water temperature\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e85 °C\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eStorage tank connection\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eG 1 1\/2 inch external thread\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eWeight\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eapprox. 0.8 kg\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eInstallation\u003c\/h2\u003e \u003cp\u003eInstallation must be carried out by a qualified person in compliance with local regulations and the complete manufacturer\u0026#39;s instructions. Before screwing in, drain the storage tank and seal the connection thread properly.\u003c\/p\u003e \u003cp\u003eAfter installation, the storage tank must be completely filled with water before connecting the photovoltaic modules. Align the housing so that the MC4 connectors point downward and are protected from water contact.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eNotes\u003c\/h2\u003e \u003cp\u003eDry operation of the heating element is not permitted. Photovoltaic modules may only be connected in parallel; connecting them in series can damage the device. The maximum open-circuit voltage of 50 V DC must not be exceeded.\u003c\/p\u003e \u003cp\u003eFor service and drinking water as well as for water with a high lime content, the temperature must be limited to a maximum of 65 °C. The possible amount of hot water and heating time depend on the storage tank volume, initial temperature, PV output, and solar irradiation.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eScope of delivery\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e1 x fothermo solar heating element ROD-550\u003c\/li\u003e \u003cli\u003e1 x manufacturer\u0026#39;s operating instructions\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e","brand":"Fothermo","offers":[{"title":"Заглавие по подразбиране","offer_id":58442486579548,"sku":"FSHP500","price":399.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/fothermo_photovoltaischer_Heizstab_Ansicht_01_608x608_0b6b57f0-fb88-4a26-8827-d92bd906c911.webp?v=1785219619"},{"product_id":"fothermo-rod-1000-solar-heizstab-1-kw","title":"Solar heating element fothermo ROD-1000 – 1,000 W with surplus output","description":"\u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eProduct Overview \u0026amp; Area of Application\u003c\/h2\u003e \u003cp\u003eThe fothermo ROD-1000 is a photovoltaic screw-in heating element for the direct use of solar power for hot water preparation. Its heating output is continuously regulated between 0 and 1,000 W depending on the available photovoltaic energy.\u003c\/p\u003e \u003cp\u003eThe solar heating element is suitable for retrofitting suitable hot water tanks with a horizontally arranged G-1-1\/2-inch thread socket. It is particularly intended for tanks up to approximately 500 liters and can support hot water preparation by gas, oil, or pellet heating systems as well as heat pumps.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eTechnology \u0026amp; Equipment\u003c\/h2\u003e \u003cp\u003eThe photovoltaic modules are connected directly to the heating element via MC4-compatible solar connectors. No connection to the 230 V mains is required for heating operation. An integrated MPP tracker adapts the operating point to the available PV output and continuously controls the heating output.\u003c\/p\u003e \u003cp\u003eThe display shows the current water temperature, the voltage and input power of the photovoltaic modules, the power delivered at the surplus output, as well as the energy quantities recorded for hot water preparation and surplus utilization.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eEveryday Benefits\u003c\/h2\u003e \u003cp\u003eThe ROD-1000 uses the direct current of the photovoltaic modules directly for heating the tank water without prior conversion. This allows existing solar energy to be used specifically for hot water preparation and reduces the operating time of the existing heat generator.\u003c\/p\u003e \u003cp\u003eThe recommended connected photovoltaic output of 1,500 to 2,500 W supports a high usable heating output even with varying solar radiation. A total of up to 3,000 W of photovoltaic output may be connected.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eSystem Integration \u0026amp; Compatibility\u003c\/h2\u003e \u003cp\u003eThe connected photovoltaic modules must be wired in parallel. Their maximum open-circuit voltage must not exceed 50 V DC. For the highest possible heating output, modules with an MPP voltage of 38 to 43 V are recommended.\u003c\/p\u003e \u003cp\u003eOnce the set water temperature has been reached, the photovoltaic energy can be routed via the integrated surplus output to a second fothermo solar heating element or a micro-PV inverter approved by fothermo. Batteries and battery storage systems are not approved for this output.\u003c\/p\u003e \u003c\/div\u003e \u003cstyle\u003e .product-th{margin-top:2rem}.product-th h2{margin:0 0 1rem}.product-th__table{width:100%;border-collapse:separate;border-spacing:0}.product-th__table td{padding:.95rem 1rem;vertical-align:top}.product-th__label{font-weight:700;width:38%;color:#213670}.product-th__value{color:#1f2937}.product-th__table tr:nth-child(odd) td{background:#f4f7fb}.product-th__table tr:nth-child(even) td{background:#fafbfd} \u003c\/style\u003e \u003cdiv class=\"product-th\"\u003e \u003ch2\u003eTechnical data at a glance\u003c\/h2\u003e \u003ctable class=\"product-th__table\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eHeating output\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e0 to 1,000 W, continuously variable\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eMaximum PV voltage\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e50 V DC open-circuit voltage\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eElectrical connection\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eMC4-compatible solar connectors\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eHeating element length\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e315 mm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eUnheated heating element length\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e50 mm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eMaximum water temperature\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e85 °C in scale-free water\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eStorage tank connection\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eG 1 1\/2 inch\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eWeight\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e0.9 kg\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eMounting\u003c\/h2\u003e \u003cp\u003eThe heating element is screwed horizontally into a suitable G-1-1\/2-inch socket of the tank and sealed professionally. Installation, electrical connection, and functional testing must be carried out by qualified personnel in compliance with local regulations.\u003c\/p\u003e \u003cp\u003eBefore connecting the photovoltaic modules, the tank must be completely filled with water and properly grounded. The PV modules are connected in parallel and connected to the marked input with correct polarity.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eNotes\u003c\/h2\u003e \u003cp\u003eDry operation is not permitted. The installation location must be dry and frost-free. If the service or drinking water contains lime, the set water temperature must be limited to a maximum of 65 °C.\u003c\/p\u003e \u003cp\u003eNo energy source may be connected to the surplus output. Reverse current into the solar heating element must be prevented. Only suitable devices that are currently approved by the manufacturer may be connected.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eScope of delivery\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e1 x fothermo solar heating element ROD-1000\u003c\/li\u003e \u003cli\u003e1 x safety and quick-start guide\u003c\/li\u003e \u003cli\u003e1 x quick-start installation guide\u003c\/li\u003e \u003cli\u003e1 x guide to crimping DC solar cables and warning note on connecting the PV modules\u003c\/li\u003e \u003cli\u003e2 x pair of solar plug connectors\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e","brand":"Fothermo","offers":[{"title":"Заглавие по подразбиране","offer_id":58447512961372,"sku":"FSHP1000","price":549.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/fothermo_photovoltaischer_Heizstab_Ansicht_01_608x608_0b6b57f0-fb88-4a26-8827-d92bd906c911.webp?v=1785219619"},{"product_id":"solar-offgridboiler-fothermo-pvb-30-30-liter-550-w","title":"Solar off-grid boiler fothermo PVB-30 – 30 liters, 550 W","description":"\u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eProduct Overview \u0026amp; Areas of Application\u003c\/h2\u003e \u003cp\u003eThe fothermo PVB-30 is a wall-mounted solar off-grid boiler for direct hot water preparation using direct current from photovoltaic modules. In pure PV operation, the storage tank does not require a connection to the public 230 V power grid, making it suitable for garden houses, holiday homes, and other off-grid applications.\u003c\/p\u003e \u003cp\u003eThe device belongs to the 30-liter class and has an actual usable capacity of 29 liters. In addition to providing an independent hot water supply, the off-grid boiler can be used for preheating drinking water before a tankless water heater or an existing heating system.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eTechnology \u0026amp; Equipment\u003c\/h2\u003e \u003cp\u003eThe integrated heating element uses up to 550 W depending on the available solar power. An MPP tracker adapts operation to the operating point of the connected photovoltaic modules. The current water temperature, PV power, PV voltage, and the total photovoltaic energy used can be viewed on the digital display.\u003c\/p\u003e \u003cp\u003eThe pressure-resistant steel tank is enameled on the inside and additionally protected against corrosion by a magnesium anode. Thermal insulation made of CFC-free polyurethane foam reduces heat losses. The PVB-30 achieves energy efficiency class A+.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eEveryday Benefits\u003c\/h2\u003e \u003cp\u003eBy directly using photovoltaic power, water is heated without an upstream inverter. A connected PV power of 300 to 600 Wp is recommended for the PVB-30. A larger generator output can help maintain the available heating power for longer, especially in weaker sunlight.\u003c\/p\u003e \u003cp\u003eAt maximum heating power, the water temperature in the 30-liter model rises by approximately 16 °C per hour. The actual temperature increase depends, among other things, on the initial temperature, water draw-off, ambient temperature, and current solar radiation.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eSystem Integration \u0026amp; Compatibility\u003c\/h2\u003e \u003cp\u003eThe photovoltaic modules are connected via MC4 connectors and may only be wired in parallel. The maximum open-circuit voltage is 42.4 V DC. Depending on the module type used, up to five modules with a total maximum of 1,500 Wp can be connected.\u003c\/p\u003e \u003cp\u003eUsing separately available fothermo components, the off-grid boiler can also be operated with a power supply unit, a suitable 12 V or 24 V battery system, or an external energy management system. The required connection cables and power supply devices are not included in the standard scope of delivery.\u003c\/p\u003e \u003c\/div\u003e \u003cstyle\u003e .product-th{margin-top:2rem}.product-th h2{margin:0 0 1rem}.product-th__table{width:100%;border-collapse:separate;border-spacing:0}.product-th__table td{padding:.95rem 1rem;vertical-align:top}.product-th__label{font-weight:700;width:38%;color:#213670}.product-th__value{color:#1f2937}.product-th__table tr:nth-child(odd) td{background:#f4f7fb}.product-th__table tr:nth-child(even) td{background:#fafbfd} \u003c\/style\u003e \u003cdiv class=\"product-th\"\u003e \u003ch2\u003eTechnical data at a glance\u003c\/h2\u003e \u003ctable class=\"product-th__table\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eStorage type\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003ePhotovoltaic electric wall-mounted storage tank\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eUsable capacity\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e29 liters\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eSuitable for drinking water\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eYes\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eStorage tank\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eSteel with enamel coating\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eHeat exchanger\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eNone\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eInsulation\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eCFC-free polyurethane foam\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eMaximum water temperature\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e65 °C\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eNominal pressure\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e7 bar\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eDimensions\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eHeight 600 mm, width 400 mm, depth 400 mm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eWeight\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e15 kg\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eMounting\u003c\/h2\u003e \u003cp\u003eThe PVB-30 is intended exclusively for vertical, fixed wall mounting in a dry and frost-free room. The mounting must be designed to support at least three times the weight of the appliance when filled with water. Sufficient space must be provided below the tank for the water and photovoltaic connections.\u003c\/p\u003e \u003cp\u003eThe combined check and pressure relief valve is mounted on the cold water connection. The supply pressure should be between 1 and 5 bar. If the line pressure is higher, an additional suitable pressure reducing valve is required. Before connecting an electrical energy source, the tank must be completely filled with water.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eNotes\u003c\/h2\u003e \u003cp\u003ePhotovoltaic modules may only be connected in parallel. A series connection can damage the tank. The maximum open-circuit voltage and the permissible connection power must be observed when selecting the modules.\u003c\/p\u003e \u003cp\u003eDuring water heating, expansion water may escape from the pressure relief valve. The valve opening must not be sealed. The magnesium anode must be checked regularly and replaced by a qualified professional if necessary. In regions with hard water, regular inspection and descaling are required.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eScope of delivery\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e1 x fothermo solar off-grid boiler PVB-30\u003c\/li\u003e \u003cli\u003e1 x combined check and pressure relief valve\u003c\/li\u003e \u003cli\u003e1 x manufacturer\u0026#39;s operating instructions\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e","brand":"Fothermo","offers":[{"title":"Заглавие по подразбиране","offer_id":58449460101468,"sku":"FOGB30","price":499.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/fothermo_PVB80_front.webp?v=1785225793"},{"product_id":"solar-offgridboiler-fothermo-pvb-80-80-liter-550-w","title":"Solar off-grid boiler fothermo PVB-80 – 80 liters, 550 W","description":"\u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eProduct Overview \u0026amp; Areas of Application\u003c\/h2\u003e \u003cp\u003eThe fothermo PVB-80 is a wall-mounted solar off-grid boiler for direct hot water preparation using direct current from photovoltaic modules. In pure photovoltaic operation, the storage tank requires neither an inverter nor a connection to the public 230 V power grid.\u003c\/p\u003e \u003cp\u003eThe device belongs to the 80-liter class and has an actual usable capacity of 77 liters. It is suitable for independent hot water supply at off-grid locations as well as for preheating drinking water before an electric instantaneous water heater or an existing heating system.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eTechnology \u0026amp; Equipment\u003c\/h2\u003e \u003cp\u003eThe integrated heating element uses a heating output of up to 550 W, depending on the available solar energy. An MPP tracker adapts the electrical operating point to the connected photovoltaic modules and the current solar radiation.\u003c\/p\u003e \u003cp\u003eThe digital display shows the current water temperature, the input power and input voltage of the photovoltaic modules, as well as the total photovoltaic energy used. An integrated reverse polarity protection supports safe PV connection.\u003c\/p\u003e \u003cp\u003eThe pressure-resistant storage tank is made of steel with an enamel coating and is additionally protected against corrosion by a magnesium anode. A 33 mm thick insulation made of polyurethane foam reduces heat losses from the storage tank.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eEveryday Benefits\u003c\/h2\u003e \u003cp\u003eFor the PVB-80, a photovoltaic output of 600 to 1,200 Wp is recommended. A higher connected module output supports hot water preparation, especially in weaker sunlight. According to the current product data sheet, up to 2,000 Wp can be connected, while the electrical heating output of the boiler remains limited to a maximum of 550 W.\u003c\/p\u003e \u003cp\u003eWith a heating output of 550 W, the water temperature increases by approximately 6 °C per hour. When the storage tank is fully heated to 65 °C, depending on the cold water temperature, about 180 liters of mixed water at 34 °C can be provided.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eSystem Integration \u0026amp; Compatibility\u003c\/h2\u003e \u003cp\u003eThe photovoltaic modules are connected directly to the off-grid boiler via MC4 connectors. Multiple modules may only be connected in parallel. The maximum open-circuit voltage of the connected modules must be limited to 42.4 V DC.\u003c\/p\u003e \u003cp\u003eFor optional auxiliary heating, an approved fothermo power supply unit can be connected. Depending on the power supply unit used, auxiliary heating outputs of 60, 160, or 240 W are available. The power supply unit, photovoltaic modules, parallel connectors, and extension cables are not included in the standard scope of delivery.\u003c\/p\u003e \u003c\/div\u003e \u003cstyle\u003e .product-th{margin-top:2rem}.product-th h2{margin:0 0 1rem}.product-th__table{width:100%;border-collapse:separate;border-spacing:0}.product-th__table td{padding:.95rem 1rem;vertical-align:top}.product-th__label{font-weight:700;width:38%;color:#213670}.product-th__value{color:#1f2937}.product-th__table tr:nth-child(odd) td{background:#f4f7fb}.product-th__table tr:nth-child(even) td{background:#fafbfd} \u003c\/style\u003e \u003cdiv class=\"product-th\"\u003e \u003ch2\u003eTechnical Data at a Glance\u003c\/h2\u003e \u003ctable class=\"product-th__table\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eStorage Type\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003ePhotovoltaic Electric Wall-Mounted Storage Tank\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eUsable Capacity\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e77 liters\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eSuitable for Drinking Water\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eYes\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eStorage tank\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eSteel with enamel coating\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eHeat exchanger\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eNone\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eInsulation\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e33 mm rigid polyurethane foam\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eMaximum water temperature\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e65 °C\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eMaximum operating pressure\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e7 bar\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eDimensions\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eHeight 900 mm, width 480 mm, depth 470 mm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eWeight\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e25 kg\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eMounting\u003c\/h2\u003e \u003cp\u003eThe PVB-80 is intended exclusively for vertical, fixed wall mounting in a dry and frost-free room. The mounting elements and the load-bearing wall must be designed for at least three times the weight of the storage tank when filled with water.\u003c\/p\u003e \u003cp\u003eThe combined check and pressure relief valve must be installed at the cold water connection. The water pressure should be between 1 and 5 bar. If the supply pressure is higher, a suitable pressure reducing valve is required.\u003c\/p\u003e \u003cp\u003eBefore connecting the photovoltaic modules or another approved energy supply, the storage tank must be completely filled with water and the hydraulic installation must be checked for leaks.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eNotes\u003c\/h2\u003e \u003cp\u003ePhotovoltaic modules may only be connected in parallel. A series connection can exceed the permissible input voltage and damage the off-grid boiler.\u003c\/p\u003e \u003cp\u003eDuring water heating, expansion water may escape from the pressure relief valve. The side valve opening must remain permanently open and the escaping water must be safely drained via a suitable drain option.\u003c\/p\u003e \u003cp\u003eThe magnesium anode is a wear part and must be checked regularly by a qualified technician. In regions with hard water, regular inspection and cleaning of the storage tank is also required.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eScope of delivery\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e1 x fothermo solar off-grid boiler PVB-80\u003c\/li\u003e \u003cli\u003e1 x combined check and pressure relief valve\u003c\/li\u003e \u003cli\u003e1 x manufacturer\u0026#39;s operating instructions\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e","brand":"Fothermo","offers":[{"title":"Заглавие по подразбиране","offer_id":58449862361436,"sku":"FOGB80","price":599.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/fothermo_PVB80_front.webp?v=1785225793"},{"product_id":"solar-hybridboiler-fothermo-pvb-30-ac-30-liter","title":"Solar hybrid boiler fothermo PVB-30-AC – 30 liters, 550 W PV \/ 1,500 W AC","description":"\u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eProduct Overview \u0026amp; Areas of Application\u003c\/h2\u003e \u003cp\u003eThe fothermo PVB-30-AC is a wall-mounted solar hybrid boiler for water heating using photovoltaic power and on-demand auxiliary heating via the 230 V mains supply. The direct current from the connected photovoltaic modules is used directly to heat the stored water without an upstream inverter.\u003c\/p\u003e \u003cp\u003eThe device belongs to the 30-liter class and has an actual usable capacity of 29 liters. Thanks to the integrated mains auxiliary heating, the hybrid boiler can replace a classic electric boiler in a compact hot water system and maintain an adjustable minimum temperature even when solar radiation is low.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eTechnology \u0026amp; Equipment\u003c\/h2\u003e \u003cp\u003eFor photovoltaic operation, a continuously adjustable heating output of up to 550 W is available. An integrated MPP tracker adjusts the operating point to the available solar power. The digital display shows the water temperature, PV input power, PV voltage, and the total photovoltaic energy used.\u003c\/p\u003e \u003cp\u003eA second heating element enables auxiliary heating with 1,500 W via the 230 V mains supply. The desired minimum temperature is set using a rotary thermostat. If the water temperature falls below this value, the water is automatically reheated with mains electricity.\u003c\/p\u003e \u003cp\u003eThe pressure-resistant storage tank is made of enamelled steel and is additionally protected against corrosion by a magnesium anode. Thermal insulation made of CFC-free polyurethane foam reduces standby heat losses.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eEveryday Benefits\u003c\/h2\u003e \u003cp\u003eWater heating is primarily carried out with directly available solar power. The mains auxiliary heating only takes over when the set minimum temperature is not reached. This reduces the share of mains electricity without having to completely do without weather-independent hot water supply.\u003c\/p\u003e \u003cp\u003eAt maximum PV heating output, the water temperature increases by approximately 16 °C per hour. The 1,500 W mains auxiliary heating achieves a temperature rise of about 43 °C per hour. A storage tank fully heated to 65 °C can provide approximately 72 to 75 liters of hot water at around 34 to 35 °C when mixed with cold water.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eSystem Integration \u0026amp; Compatibility\u003c\/h2\u003e \u003cp\u003eThe photovoltaic modules are connected directly to the hybrid boiler via MC4 connectors. Multiple modules must only be connected in parallel. For the 30-liter model, a photovoltaic output of 300 to 600 Wp is recommended; up to 2,000 Wp can be connected. The maximum open-circuit voltage must not exceed 42.4 V DC.\u003c\/p\u003e \u003cp\u003eThe hybrid boiler can also be operated exclusively with photovoltaic power. For automatic grid-based auxiliary heating, the existing 230 V connection is connected to a suitable socket. Photovoltaic modules, parallel connectors, extension cables, and mounting systems must be selected separately.\u003c\/p\u003e \u003c\/div\u003e \u003cstyle\u003e .product-th{margin-top:2rem}.product-th h2{margin:0 0 1rem}.product-th__table{width:100%;border-collapse:separate;border-spacing:0}.product-th__table td{padding:.95rem 1rem;vertical-align:top}.product-th__label{font-weight:700;width:38%;color:#213670}.product-th__value{color:#1f2937}.product-th__table tr:nth-child(odd) td{background:#f4f7fb}.product-th__table tr:nth-child(even) td{background:#fafbfd} \u003c\/style\u003e \u003cdiv class=\"product-th\"\u003e \u003ch2\u003eTechnical Data at a Glance\u003c\/h2\u003e \u003ctable class=\"product-th__table\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eStorage Type\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003ePressure-resistant solar electric wall-mounted storage tank\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eUsable Capacity\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e29 liters\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eSuitable for drinking water\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eYes\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eStorage tank\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eSteel with enamel coating\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eHeat exchanger\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eNone\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eInsulation\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eCFC-free rigid polyurethane foam\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eMaximum water temperature\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e65 °C\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eMaximum operating pressure\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e7 bar\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eDimensions\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eHeight 600 mm, width 400 mm, depth 400 mm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eWeight\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e15 kg\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eMounting\u003c\/h2\u003e \u003cp\u003eThe PVB-30-AC is intended exclusively for vertical, fixed wall mounting in a dry and frost-free room. The wall and mounting elements must be designed for at least three times the weight of the device when filled with water.\u003c\/p\u003e \u003cp\u003eThe combined check and pressure relief valve must be installed at the cold water connection. The supply pressure should be between 1 and 5 bar. If the line pressure is higher, a suitable pressure reducing valve is required.\u003c\/p\u003e \u003cp\u003eBefore connecting the photovoltaic modules or the 230 V mains supply, the tank must be completely filled with water, vented, and checked for leaks.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eNotes\u003c\/h2\u003e \u003cp\u003ePhotovoltaic modules may only be connected in parallel. A series connection can exceed the permissible input voltage and damage the hybrid boiler.\u003c\/p\u003e \u003cp\u003eDuring water heating, expansion water may escape from the pressure relief valve. The side valve opening must remain permanently open and be drained via a suitable drain option.\u003c\/p\u003e \u003cp\u003eThe magnesium anode is a wear part and must be checked regularly. In addition, if the water is hard, the storage tank must be checked and descaled on a regular basis.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eScope of delivery\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e1 x fothermo solar hybrid boiler PVB-30-AC\u003c\/li\u003e \u003cli\u003e1 x combined check and pressure relief valve\u003c\/li\u003e \u003cli\u003e1 x manufacturer\u0026#39;s operating instructions\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e","brand":"Fothermo","offers":[{"title":"Заглавие по подразбиране","offer_id":58465079001436,"sku":"FHBB30","price":599.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/fothermo_PVB_30_AC_freigestellt_300dpi.webp?v=1785302584"},{"product_id":"solar-hybridboiler-fothermo-pvb-80-ac-80-liter","title":"Solar hybrid water heater fothermo PVB-80-AC – 80 liters, 550 W PV \/ 1,500 W AC","description":"\u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eProduct Overview \u0026amp; Application\u003c\/h2\u003e \u003cp\u003eThe fothermo PVB-80-AC is a wall-mounted solar hybrid boiler for domestic hot water preparation with directly connected photovoltaic modules and demand-based reheating via the 230 V mains supply. The direct current from the PV modules is converted into heat directly in the storage tank without an upstream inverter.\u003c\/p\u003e \u003cp\u003eThe device belongs to the 80-liter class and has an actual usable capacity of 77 liters. Thanks to the integrated mains reheating, the hybrid boiler can replace a conventional electric boiler and maintain an adjustable minimum temperature even when solar radiation is low.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eTechnology \u0026amp; Equipment\u003c\/h2\u003e \u003cp\u003eFor photovoltaic operation, a heating output of up to 550 W is available. An integrated MPP tracker adjusts the electrical operating point to the available solar power. The current water temperature, PV input power, input voltage, and total photovoltaic energy used can be read on the digital display.\u003c\/p\u003e \u003cp\u003eA second heating element enables reheating with 1,500 W via the 230 V mains supply. The desired minimum temperature is set using a rotary thermostat. If the water temperature falls below this value, the water is automatically reheated using mains electricity.\u003c\/p\u003e \u003cp\u003eThe pressure-resistant storage tank is made of enamelled steel and is additionally protected against corrosion by a magnesium anode. The thermal insulation made of CFC-free polyurethane foam reduces standby heat losses. The PVB-80-AC has energy efficiency class C, load profile M, and a sound power level of 15 dB.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eEveryday Benefits\u003c\/h2\u003e \u003cp\u003eHot water preparation is primarily carried out using directly available photovoltaic energy. The mains reheating only takes over when the minimum temperature set on the thermostat is not reached. This allows the proportion of mains electricity to be reduced without having to do without weather-independent hot water supply.\u003c\/p\u003e \u003cp\u003eAt maximum PV heating output, the water temperature increases by approximately 6 °C per hour. The 1,500 W mains reheating achieves a temperature rise of about 16 °C per hour. If the storage tank is fully heated to 65 °C, approximately 180 liters of hot water at around 34 °C can be provided when mixed with cold water.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eSystem Integration \u0026amp; Compatibility\u003c\/h2\u003e \u003cp\u003eThe photovoltaic modules are connected directly to the hybrid boiler via MC4 connectors. Multiple modules may only be connected in parallel. For the 80-liter model, a photovoltaic output of 600 to 1,200 Wp is recommended. In total, up to 2,000 Wp can be connected, while the heating output of the boiler remains limited to a maximum of 550 W.\u003c\/p\u003e \u003cp\u003eThe maximum open-circuit voltage of the connected modules must not exceed 42.4 V DC. For automatic grid-assisted reheating, the existing 230 V connection is connected to a suitable socket. Photovoltaic modules, parallel connectors, extension cables, and mounting systems are not included in the standard scope of delivery.\u003c\/p\u003e \u003c\/div\u003e \u003cstyle\u003e .product-th{margin-top:2rem}.product-th h2{margin:0 0 1rem}.product-th__table{width:100%;border-collapse:separate;border-spacing:0}.product-th__table td{padding:.95rem 1rem;vertical-align:top}.product-th__label{font-weight:700;width:38%;color:#213670}.product-th__value{color:#1f2937}.product-th__table tr:nth-child(odd) td{background:#f4f7fb}.product-th__table tr:nth-child(even) td{background:#fafbfd} \u003c\/style\u003e \u003cdiv class=\"product-th\"\u003e \u003ch2\u003eTechnical Data at a Glance\u003c\/h2\u003e \u003ctable class=\"product-th__table\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eStorage Type\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003ePressure-resistant solar electric wall-mounted storage tank\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eUsable Capacity\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e77 liters\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eSuitable for drinking water\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eYes\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eStorage tank\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eSteel with enamel coating\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eHeat exchanger\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eNone\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eInsulation\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eCFC-free rigid polyurethane foam\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eMaximum water temperature\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e65 °C\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eMaximum operating pressure\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e7 bar\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eEnergy efficiency\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eClass C, load profile M\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eDimensions\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eHeight 900 mm, width 480 mm, depth 470 mm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eWeight\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e25 kg\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eInstallation\u003c\/h2\u003e \u003cp\u003eThe PVB-80-AC is intended exclusively for vertical, fixed wall mounting in a dry and frost-free room. The wall and mounting elements must be designed for at least three times the weight of the appliance when filled with water.\u003c\/p\u003e \u003cp\u003eThe combined check and pressure relief valve must be installed at the cold water connection. The supply pressure should be between 1 and 5 bar. If the line pressure is higher, a suitable pressure reducing valve is required.\u003c\/p\u003e \u003cp\u003eBefore connecting the photovoltaic modules or the 230 V mains supply, the tank must be completely filled with water, vented, and checked for leaks.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eNotes\u003c\/h2\u003e \u003cp\u003ePhotovoltaic modules must only be connected in parallel. A series connection can exceed the permissible input voltage and damage the hybrid boiler.\u003c\/p\u003e \u003cp\u003eDuring water heating, expansion water may escape from the pressure relief valve. The side valve opening must remain permanently open and be drained via a suitable drain option.\u003c\/p\u003e \u003cp\u003eThe magnesium anode is a wear part and must be checked regularly. In addition, with hard water, regular inspection and descaling of the storage tank are required.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eScope of delivery\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e1 x fothermo solar hybrid boiler PVB-80-AC\u003c\/li\u003e \u003cli\u003e1 x combined check and pressure relief valve\u003c\/li\u003e \u003cli\u003e1 x manufacturer\u0026#39;s operating instructions\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e","brand":"Fothermo","offers":[{"title":"Заглавие по подразбиране","offer_id":58465090994524,"sku":"FHBB80","price":699.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/fothermo_PVB_30_AC_freigestellt_300dpi.webp?v=1785302584"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/collections\/pv_zubehoer_kategoriebild.jpg?v=1779173046","url":"https:\/\/bg.gemashop.de\/en\/collections\/pv-zubehoer.oembed","provider":"GEMA Shop","version":"1.0","type":"link"}