7861604 Radial Fan – Vitodens
Viessmann 7861604 Radial Fan
NRG 188 19/26
- 7499425 Vitodens 100-W WB1C 26kW Combi Boiler
- 7501297 Vitodens 100-W BPJA 25kW Combi Boiler
- 7501298 Vitodens 100-W BPJA 29kW Combi Boiler
- 7499423 Vitodens 100-W WB1C 19kW System Boiler
- 7499424 Vitodens 100-W WB1C 26kW System Boiler
- 7543422 Vitodens 100-W B1KA 26kW Combi Boiler
- 7543420 Vitodens 100-W B1HA 19kW System Boiler
- 7543421 Vitodens 100-W B1HA 26kW System Boiler
The role of a fan in a boiler system is to blow any toxic fumes up and out of the flue.
The functionality of the fan is registered by the boiler through the use of an air pressure switch and is a vital component of the boiler system.
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