{"product_id":"atmos-dc40gsp-holz-pelletkessel-39kw","title":"ATMOS DC40GSP 39 kW Wood and Pellet Combination Boiler","description":"\u003ch2\u003eATMOS DC40GSP Wood and Pellet Boiler – High-Performance Combination Boiler with 39 kW\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eATMOS DC40GSP\u003c\/strong\u003e is a high-performance combination boiler for burning firewood and wood pellets. The unit combines efficient wood gasification with the convenience of an automatic pellet burner. This allows flexible switching between manual wood operation and automatic pellet operation.\u003c\/p\u003e\n\u003cp\u003eWith a wood output of \u003cstrong\u003e39 kW\u003c\/strong\u003e, this biomass boiler is particularly suitable for larger single-family homes, multi-family houses, and buildings with higher heat demand. The combination of wood and pellet operation enables reliable and comfortable heat supply.\u003c\/p\u003e\n\u003ch3\u003eHighlights and Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e⭐ Combination boiler for \u003cstrong\u003efirewood and wood pellets\u003c\/strong\u003e in one heating system\u003c\/li\u003e\n\u003cli\u003e⭐ Heating output up to \u003cstrong\u003e39 kW\u003c\/strong\u003e for buildings with high heat demand\u003c\/li\u003e\n\u003cli\u003e⭐ Automatic pellet operation possible after the wood has burned out\u003c\/li\u003e\n\u003cli\u003e⭐ Efficiency of over \u003cstrong\u003e92 %\u003c\/strong\u003e for efficient fuel utilization\u003c\/li\u003e\n\u003cli\u003e⭐ Boiler class 5 according to EN 303-5 for modern biomass heating systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplication Area \u0026 Target Audience\u003c\/h2\u003e\n\u003cp\u003eThe ATMOS DC40GSP is particularly suitable for larger buildings and systems with higher heat demand.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003elarger single-family homes\u003c\/li\u003e\n\u003cli\u003emulti-family houses\u003c\/li\u003e\n\u003cli\u003eagricultural buildings\u003c\/li\u003e\n\u003cli\u003eworkshops and commercial properties\u003c\/li\u003e\n\u003cli\u003eHeating systems with buffer storage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBy combining firewood and pellets, this heating boiler offers high flexibility. Wood can be added manually, while pellets are fed automatically.\u003c\/p\u003e\n\u003ch2\u003eBenefits in Everyday Use\u003c\/h2\u003e\n\u003cp\u003eThe combination boiler enables the convenient use of two fuels. When heating with wood, the boiler operates as a high-performance wood gasification boiler. Once the wood has completely burned out, the pellet burner can start automatically and continue the heating operation.\u003c\/p\u003e\n\u003cp\u003eThis ensures the heat supply remains reliable even when no wood is added. This reduces the operational effort in daily heating operation.\u003c\/p\u003e\n\u003ch2\u003eTechnology \u0026 Features\u003c\/h2\u003e\n\u003cp\u003eThe ATMOS DC40GSP features a robust steel construction with a ceramic combustion chamber. Multiple thermostats and control components ensure safe and efficient operation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBoiler thermostat for output regulation\u003c\/li\u003e\n\u003cli\u003eFlue gas thermostat for controlling the induced draft fan\u003c\/li\u003e\n\u003cli\u003eSafety thermostat (STB) for protection against overheating\u003c\/li\u003e\n\u003cli\u003eServo flap for automatic air regulation\u003c\/li\u003e\n\u003cli\u003ePreparation for electronic heating control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe air supply and combustion are automatically adjusted to the respective fuel, enabling stable and efficient operation.\u003c\/p\u003e\n\u003ch2\u003eEfficiency \u0026 Environment\u003c\/h2\u003e\n\u003cp\u003eThe combination boiler achieves an efficiency of approximately \u003cstrong\u003e92 %\u003c\/strong\u003e in wood operation. In pellet operation, the efficiency is around \u003cstrong\u003e92.8 %\u003c\/strong\u003e. This results in particularly efficient utilization of the fuel used.\u003c\/p\u003e\n\u003cp\u003eThe ATMOS DC40GSP meets the requirements of \u003cstrong\u003eboiler class 5 according to EN 303-5\u003c\/strong\u003e and complies with modern emission standards for biomass heating systems. :contentReference[oaicite:1]{index=1}\u003c\/p\u003e\n\u003ch2\u003eCompatibility \u0026 System Integration\u003c\/h2\u003e\n\u003cp\u003eFor efficient operation, the combination boiler is typically installed with a buffer storage tank. This allows the generated heat to be stored and distributed evenly within the heating system.\u003c\/p\u003e\n\u003cp\u003eThe ATMOS DC40GSP can be integrated into various heating systems:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBuffer storage\u003c\/li\u003e\n\u003cli\u003eRadiator heating systems\u003c\/li\u003e\n\u003cli\u003eUnderfloor heating systems\u003c\/li\u003e\n\u003cli\u003eDomestic hot water preparation\u003c\/li\u003e\n\u003c\/ul\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\u003eATMOS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eDC40GSP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eWood and Pellet Combination Boiler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWood Output\u003c\/td\u003e\n\u003ctd\u003e39 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePellet Output\u003c\/td\u003e\n\u003ctd\u003e8 – 24 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoiler Efficiency Wood\u003c\/td\u003e\n\u003ctd\u003e92 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoiler Efficiency Pellet\u003c\/td\u003e\n\u003ctd\u003e92.8 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnergy Efficiency Class\u003c\/td\u003e\n\u003ctd\u003eA+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoiler Class\u003c\/td\u003e\n\u003ctd\u003e5 according to EN 303-5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeating Surface Area\u003c\/td\u003e\n\u003ctd\u003e4.9 m²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel Chamber Volume\u003c\/td\u003e\n\u003ctd\u003e150 dm³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Working Pressure Water\u003c\/td\u003e\n\u003ctd\u003e250 kPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoiler Weight\u003c\/td\u003e\n\u003ctd\u003e745 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlue Gas Connection\u003c\/td\u003e\n\u003ctd\u003e150 \/ 152 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Connection\u003c\/td\u003e\n\u003ctd\u003e230 V \/ 50 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Class\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRequired Return Temperature\u003c\/td\u003e\n\u003ctd\u003e65 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e80 – 90 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eAccessories \u0026 System Recommendations\u003c\/h2\u003e\n\u003cp\u003eFor safe and efficient operation, combination with suitable system components such as buffer storage, return temperature elevation, and safety groups is recommended.\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\/pufferspeicher\"\u003eBuffer storage\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/gemashop.de\/collections\/ruecklaufanhebung\"\u003eReturn temperature elevation\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/gemashop.de\/collections\/sicherheitsgruppe-heizung\"\u003eSafety groups\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/gemashop.de\/collections\/pelletbrenner\"\u003ePellet burner\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/gemashop.de\/collections\/heizungsregelung\"\u003eHeating controls\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch2\u003eInstallation \u0026 Safety Instructions\u003c\/h2\u003e\n\u003cp\u003eThe installation of the heating boiler must only be carried out by a qualified heating contractor. The applicable regulations as well as the manufacturer's installation and operating instructions must be observed.\u003c\/p\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eCan the ATMOS DC40GSP burn wood and pellets?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes, the combination boiler is designed for firewood and wood pellets and enables flexible operation with both fuels.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat is the heating output?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe output in wood operation is 39 kW. In pellet operation, the output range is between 8 and 24 kW.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eIs a buffer storage tank necessary?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eFor efficient operation, a buffer storage tank is recommended.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhich fuels may be used?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eDry firewood with a residual moisture content of approximately 12–20% and wood pellets with a diameter of 6–8 mm may be used.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eDoes the pellet burner start automatically?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe pellet burner can start automatically once the loaded wood has burned out and heat is still required.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat power supply does the boiler require?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe combination boiler requires a mains voltage of 230 V at 50 Hz.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cstyle type=\"text\/css\"\u003e \ttable.tableizer-table { \t\tfont-size: 12px; \t\tborder: 1px solid #CCC;  \t\tfont-family: Arial, Helvetica, sans-serif; \t}  \t.tableizer-table td { \t\tpadding: 4px; \t\tmargin: 3px; \t\tborder: 1px solid #CCC; \t} \t.tableizer-table th { \t\tbackground-color: #104E8B;  \t\tcolor: #FFF; \t\tfont-weight: bold; \t} \u003c\/style\u003e\n\u003ch3\u003eDownload\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/Bedienungsanleitung_Atmos_GSP.pdf?v=1722239801\" rel=\"noopener\" target=\"_blank\" title=\"Atmos GS Bedienungsanleitung\"\u003eOperating Instructions\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca aria-label=\"Besuchen Sie eine Webseite über Zusatzinformationen Atmos GSP\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/Bedienungsanleitung_ATMOS_GSP_Zusatz.pdf?v=1722239584\" rel=\"noopener\" target=\"_blank\" title=\"Zusatzinformationen Atmos GSP\"\u003eSupplement to Operating Instructions\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca aria-label=\"Besuchen Sie eine Webseite über Explosionszeichnung GSP\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/Explosionszeichnung_GSP.pdf?v=1722239520\" rel=\"noopener\" target=\"_blank\" title=\"Explosionszeichnung GSP\"\u003eExploded View Drawing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca aria-label=\"Besuchen Sie eine Webseite über Atmos Kombikessel Katalog\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/atmos_kombikessel_prospekt_2024.pdf?v=1722239610\" rel=\"noopener\" target=\"_blank\" title=\"Atmos Kombikessel Katalog\"\u003eCombination Boiler Brochure\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca aria-label=\"Besuchen Sie eine Webseite über Pellets Konformitätserklärung\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/Konformitaetserklaerung-Pellets.pdf?v=1722239571\" rel=\"noopener\" target=\"_blank\" title=\"Pellets Konformitätserklärung\"\u003ePellets Declaration of Conformity\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cp data-end=\"1109\" data-start=\"900\"\u003e👉 \u003cstrong data-end=\"950\" data-start=\"903\"\u003eOrder Commissioning Service Now!\u003c\/strong\u003e\u003cbr data-end=\"953\" data-start=\"950\"\/\u003eWith the \"Commissioning by ATMOS\" service, you ensure your boiler is optimally set up and all technical requirements are met.\u003c\/p\u003e\n\u003cp data-end=\"1305\" data-start=\"1111\"\u003eFurther information on the process, requirements, and services can be found in our article on \u003cstrong data-end=\"1304\" data-start=\"1209\"\u003e[\u003ca href=\"https:\/\/gemashop.de\/products\/atmos-inbetriebnahme\" rel=\"noopener\" target=\"_blank\" title=\"Atmos Inbetriebnahme\"\u003eATMOS Commissioning\u003c\/a\u003e]\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Atmos","offers":[{"title":"Default Title","offer_id":56991922389340,"sku":"01.02.40-0","price":12269.71,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/kombikessel-atmos-dc-gsp-forderfahig-6989909.png?v=1770692840","url":"https:\/\/bg.gemashop.de\/en\/products\/atmos-dc40gsp-wood-pellet-boiler-39kw","provider":"GEMA Shop","version":"1.0","type":"link"}