Riscaldatori di flusso / Boiler

These water heaters, mainly used for heating of water or oil, are mostly designed according to customer specification.
72-1.05.00Backer 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.

pdf icon PDF: Riscaldatori di flusso/boile - Info generali

>> Esempi di applicazioni

  • Solar system
  • Pool heater
  • Heat pump
  • Floor heating
  • Dish washers

Dati tecnici

Material Tube and element in stainless steel AISI 304, 316L
Dimension Tub Ø 76 mm, 101.6 mm, 63.5 mm
Connections Inlet G 3/4'', 1'', 1 1/4''
Outlet G 3/4'', 1'', 1 1/4''
Design 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
Safety The elements fulfil standards acc. to
EN 60335-1
Optional Thermostat, temperature sensor, thermal cut-off, flow sensor, cable harness, connection box, thermal insulation, air vent, drainage valve, etc


Esempi di prodotti

The 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 BFU - Supplementary heater

ElkassetThe supplementary heater is generally used as a complement to a heat pump but can also be used together with other heating appliances. The heater will operate when the heat pump capacity is not sufficient, for example during cold winter days. A supplementary heater also adds extra security if the heat pump malfunctions.

Material Heating element and tube: AISI 304/EN 1.4301
Casing material: Al. Zn.-plated steel
Dimension 560 x 240 x 135 mm
Connection G 1'', G 1 ¼''
Voltage 230V/1~, 400V/3~
Power 5, 8, 9, 15 kW
Water preassure Max 7 bar
Water quality Dead water
Operating temperature ~60°C
Safety IP44
Manufactured according to demands EN 60335-1,
EN 60335-2-40 and comply with WEEE/RoHS
Thermal cut-off: 96°C +0/-7K
Options Thermostat 30-90°C
Others Color RAL 9002

Specifiche tecniche

Massima potenza 5 kW 8 kW 9 kW 15 kW
Step 1 1,7 kW 2 kW 3 kW 5 kW
Step 2 3,4 kW 6 kW 6 kW 10 kW
Voltage 230V/1~ 230V/1~ 400V/3~ 400V/3~
Connection G1'' G1'' G1/4'' G1/4''

pdf icon PDF: Rislcadatori di flusso - Scheda tecnica

Flow through heater for dishwasher72-1.05.02

Flow heater for connection to the water pump in the dish washer. Temperature increase 2°C per minute between 40°C and 73°C (higher rate of increase at lower water temperature).

Material Tubular heating element AISI 316L/EN 1.4404
Outer tube AISI 316L/EN 1.4404 or AISI 304/EN 1.4301
Dimension Lenght 145 mm Ø 40 mm external, Ø 38,6 internal
Power Up to 2000 W
Voltage Up to 240V/1~
Suface load Max 15,3W/cm²
Assembly Hose clamp, rubber seal
Flow Water volume in machine 3.6 liter
55 liter/minute
Operating temperature Up to 90°C depending on thermostat
Safety Fulfills standards acc. to EN 60335-1

 pdf icon PDF: Flow through heater for dish washers - Scheda tecnica

Flow through heater in aluminium

- for e.g. coffee machnines

Double tubular heating element with interjacent water pipe, for heating water in appliances with continous flow e.g. coffee machnies.

Material Extruded aluminium with
pipe in aluminium or stainless steel
Dimension acc. to customer specification
Weight 358 g
Voltage 230 V
Power 2 x 650 W
Water pressure 1 - 2 Bar
Pre heating 25 seconds (to 130°C)
Temperature 70°C (continousely at 260 ml/min after pre-heating)
Flow 260 ml/min
Surface load 17.24 W/cm²
Safety The elements meet requirements acc. to EN 60335-1

>> Benefici

  • Possibility to generate steam
    (30g steam/minute)
  • Compact design, easy to place in small applications

pdf icon PDF: Flow through heater in aluminium - Scheda tecnica