These water heaters, mainly used for heating of water or oil, are mostly designed according to customer specification.
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.
PDF: FLOW THROUGH HEATERS General info
>> Example of applications
- Solar systems
- Pool heater
- Heat pump
- Floor heating
- Dish washers
|
|
 |
Flow heaters - technical info:
| 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 |
Product Example - Flow Through Heater
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
The 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 pressure |
Max 7 bar |
| Water quality |
Dead water |
| Operating temp. |
~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 |
Technical specification:
|
Max power
|
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'' |
G 1/4'' |
G 1/4'' |
PDF: Product data sheet: Backer Flow Heater Unit
Flow through heater for dishwasher
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 temp. |
Up to 90°C depending on thermostat |
| Safety |
Fulfills standards acc. to EN 60335-1 |
PDF: Product data sheet: Flow Through Heater for dish washers
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 |
>> Benefits
PDF: Product data sheet flow through heater aluminium