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Overview
The air pressure switch is a safety device which checks the fan is fully operational. It ensures that, if the fan fails within the boiler, there would not be a build up of noxious fumes with no means of diverting them out of the property.
- This product fits 7176541 Vitodens 200-W WB2A 26kW Combi Boiler and 7176543 Vitodens 200-W WB2A 26kW System Boiler
Technical specification
Manufacturer Model No7822787Brand NameViessmann
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