Product Overview & Application Area
The heating element 3 kW 230 V is an electric screw-in heater for direct water heating in suitable water heaters, storage tanks, buffer tanks, or heat exchangers. The MB 3000 OWR1/230V variant is intended for the 1 1/2-inch version and, according to the documentation, is typically used in domestic hot water heaters or storage tanks with a capacity of approximately 80 to 140 liters.
The GEMA heating element is suitable for supporting hot water preparation during the heating season or for independent heating outside the heating season, provided that the storage tank, installation space, electrical installation, and operating conditions are compatible with the 230 V version.
Technology & Equipment
The 3 kW version is based on the OWR1 design for 230 V and features an integrated thermostat with a connection housing. The desired water temperature is set directly on the heating element; the temperature control range is approximately 20 to 70 °C.
The installation length L is 352 mm. The thread connection is designed as 1 1/2 inch / 6/4 inch. According to the manufacturer's instructions, the OWR1 version has an IP44 protection rating and an integrated overheat protection.
Everyday Benefits
Thanks to the integrated thermostat, hot water preparation can be regulated directly on the device. The indicator light of the OWR1 design supports easy visual monitoring of the operating status.
The 230 V version is particularly useful when an electric auxiliary heater is needed in a suitable storage tank and the existing electrical installation matches the connection type and fuse protection.
System Integration & Compatibility
The heating element is intended for suitable storage tanks, water heaters, buffer tanks, or heat exchangers with a matching 1 1/2-inch connection. Before installation, the threaded connection, socket length, installation length, installation space, and the approval of the respective tank or system manufacturer must be checked.
For the OWR1 version, the maximum socket length is 55 mm. Operation is intended exclusively for water and takes place in a horizontal installation position with the connection cable pointing downward.
Technical data at a glance
The most important technical data for the 3 kW 230 V variant are summarized below.
| Rated power | 3 kW |
| Voltage | 230 V |
| Power consumption | 3,000 W |
| Installation length | 352 mm |
| Connection size | 1 1/2 inch / 6/4 inch |
| Max. temperature | approx. 70 °C |
| Fusing | not above 16 A |
| Connection type | Schuko plug / protective conductor required |
Installation
Installation and electrical connection may only be carried out by qualified specialist personnel. Before installation, the system and storage tank must be taken out of operation, disconnected from the power supply, allowed to cool down, and depressurized according to the system conditions.
The heating element is screwed into the metal flange using suitable tools. The plastic housing and the connection cable must not be used as a lever. After installation, the storage tank must be filled, vented, and checked for leaks.
Notes
The heating element must never be operated dry and must be completely surrounded by water before switching on. The heating element is intended only for water and is not suitable for other liquids.
The integrated overheating protection must not be bridged or disabled. In the event of unusual noises, odor, moisture, visible damage, or tripping of the overheating protection, operation must be stopped and the cause checked by a specialist.
Scope of delivery
- 1 x GEMA heating element with thermostat in the 3 kW 230 V version
- Connection housing and connection cable according to version
- Installation and safety instructions / operating manual