Backer immersion heaters for liquid heating with element tubes in copper
Backer standard range of screw plug immersion/ insertion heaters in stock are suitable as heat sources for instance in domestic water heaters, calorifiers, electric boilers, vessels and industrial baths. The heaters consists of 3 pieces Backer tubular heating elements brazed to a screw plug. It could be fitted with different accessories such as terminal box, thermostat, safety temperature limiter, tube and insulation for flow-through heater and socket key for assembly.
Technical data
Inactive length
60±6 mm
Max working temperature
120°C
Max work pressure
9 bar
Norm
Backer 40579311 CE
Standards
SS 4330701, SS-EN 60335-1, UL-1030, ISO 6469-3
Surface load
ca 8 W/cm²
Power tolerance
5% / -10%
Material
Tubular elements Ø8,5 mm in copper C 12200 Screw plug G2” (R50, 60 mm) in brass Tube for thermostat/ temp.limiter Ø12x0,7 length 187 mm in copper IU 31-33 Tube Ø12x0,7 length 260 mm in copper IU 34-315
Electric Connection
M4