Extension sleeve 50 mm

Extension sleeve for G 2" immersion heaters

Extension sleeve 100 mm

Extension sleeve for G 2" immersion heaters

Extension sleeve 150 mm

Extension sleeve for G 2" immersion heaters

Extension sleeve 200 mm

Extension sleeve for G 2" immersion heaters

Socket key

Socket key for G 2" immersion heaters

Copper gasket 2"

Copper gasket for 2" immersion heaters

Fibre gasket 2"

Fibre gasket for 2" immersion heaters

Terminal Box K11A

Terminal boxes with thermostat and/or thermal cut-offs

Terminal Box K12A

Terminal boxes with thermostat and/or thermal cut-offs

Terminal Box K13A

Terminal boxes with thermostat and/or thermal cut-offs

Terminal Box K13A

Terminal boxes with thermostat and/or thermal cut-offs

Terminal Box K15A

Terminal boxes with thermostat and/or thermal cut-offs

Terminal Box K16

For mounting on our standard or special manufactured immersion heaters for liquid heating. The terminal boxes can be delivered empty or with thermostat and/or thermal cut-offs.

Terminal Box K17

For mounting on our standard or special manufactured immersion heaters for liquid heating. The terminal boxes can be delivered empty or with thermostat and/or thermal cut-offs.

Terminal Box K18

For mounting on our standard or special manufactured immersion heaters for liquid heating. The terminal boxes can be delivered empty or with thermostat and/or thermal cut-offs.

Terminal Box K31A

If mounting on 2" plugs assembly kit 1150710301 shall be used.

Terminal Box K7

For mounting on our standard or special manufactured immersion heaters for liquid heating. The terminal boxes can be delivered empty or with thermostat and/or thermal cut-offs.

Terminal Box K7E

Electronic terminal box with microprocessor controlled temperature control. Easy operation with push buttons in the front. LED display for indication of current status, setpoint and setup. K7E fits Backer immersion heaters with flange sizes between 11/4 - 2 1/2 inch. K7E is designed for standalone operation or with external control system. The product is intended for heating water / liquids. K7E is certified according to: 60335-2-73 (Special requirements on fixed immersion heaters, unpressurized system) For applications that do not fall under the above mentioned standard supplementary risk assessment and possible testing is required.

Terminal Box K7T

For mounting on our standard or special manufactured immersion heaters for liquid heating. The terminal boxes can be delivered empty or with thermostat and/or thermal cut-offs.

Terminal Box K8

For mounting on our standard or special manufactured immersion heaters for liquid heating. The terminal boxes can be delivered empty or with thermostat and/or thermal cut-offs.

Terminal Box K8T

For mounting on our standard or special manufactured immersion heaters for liquid heating. The terminal boxes can be delivered empty or with thermostat and/or thermal cut-offs.

Terminal Box KRF1

For mounting on our standard or special manufactured immersion heaters for liquid heating. The terminal boxes can be delivered empty or with thermostat and/or thermal cut-offs.

Brass nut 2"

Assembly kit K31A

Assembly kit for terminal box K31A

Control unit S17A

Control unit type S17A is designed for installation on terminal box K17. It includes a thermostat and safety temperature limiter, ensuring precise temperature control and protection for a wide range of heating applications. Reliable and compact, the S17A offers efficient regulation and easy integration with Backer immersion heaters.

Control unit S17B

Control unit type S17B is intended for terminal box K17, offering the same robust temperature control and safety features as S17A, with optional variations to match specific application needs. Ideal for industrial or water-heating systems that require stable, safe operation.

Control unit S17C

Control unit S17C is designed for use with terminal box K17 and heater types IU611/IU611R. It combines temperature control and safety-limiting functions in a single compact housing. Built for demanding environments, S17C ensures stable operation and long service life.

Control unit S18A

Control unit S18A is designed for terminal box K18 and heater types IU611/IU611R. It features a time relay and contactor providing a 2-hour switch-on delay and half-power operation during power supply failure. If required, half the power output can be disconnected during overcharge via a current relay. Power steps are: 0 – ¼ – ½ – ¾ – 1.