Flow heaters/ Booster heaters for water or oil

– Mostly customized products, suitable for numerous applications

Flow heaters

Flow heaters Booster heaters

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

Flow through heaters can also be assembled with Backer standard products. A complete heater consists of a black enamelled 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 specification. 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


Tub 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 preassure

Depending on model: max 5-7 bar water presure


The elements fulfil standards acc. to
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

Product specification (PDF) Pdf.

Product examples

BACKER ALPE · Fco.I. Madero No. 2137 Pte. Col. Centro, C.P. 64000 Monterrey, N.L
Mexico · TEL: +52-81 1133 8753 · [email protected] · Corp. reg: 5560530569

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