The air pressure switch enacts safety protocols to ensure the fan is fully functional. It ensures that, if the fan fails within the boiler, there would not be a build up of noxious gases with no means of venting them. The PCB closely monitors the air pressure switch to make sure it is fully operational before the unit is fired up, preventing the appliance from starting without one of its key safety features.
We only have this part as fitting one appliance, The Worcester 24I NG
Supplier Part Number: 87161424140
Comes with Mount and screws
Worcester 24I NG FSN COMBI
Manufacturer Model No
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