Flow heaters/ booster heaters for water or oil

– Mainly custom products, suitable for numerous applications

Flow heaters

Flow heaters Booster heaters

These water heaters, mainly used for heating of water or oil, are mainly designed according to customer specifications.

Flow-through heaters can also be constructed with Backer standard products. A complete heater consists of a black enameled steel tube, a screw-plug immersion heater and a terminal box with temperature control.

Backer produces a wide range of flow-through heaters for liquid heating, flexible according to customer specifications. Different options, electrical connections and water couplings make it easy for you to find the perfect flow-through heater for your application.

Technical data


Tube and element in stainless steel AISI 304, 316L


Tube Ø 76 mm, 101.6 mm, 63.5 mm


Inlet G 3/4'', 1'', 1 1/4''
Outlet G 3/4'', 1'', 1 1/4''


Wide range of electrical connections and water couplings
Can also be supplied with thermal insulation
Can also be supplied with different types of connection boxes

Water pressure

Depending on model: max 5-7 bar water pressure


The elements fulfil standards per
EN 60335-1


Thermostat, temperature sensor, thermal cut-off, flow sensor, cable harness, connection box, thermal insulation, air vent, drainage valve, etc

Example applications

  • Solar systems
  • Pool heater
  • Heat pump
  • Floor heating
  • Dish washers
Pool heaters

Product examples

BACKER AB · FABRIKSGATAN 11 · SE-282 71 SÖSDALA · TEL: +46 (0)451-66100 · [email protected] · Corp. reg: 5560530569

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