POTTERTON 642479 AIR PRESSURE SWITCH.
The Air Pressure Switch, also known as the APS is used as a safety instrument to ensure the fan is in full working order. The fan prevents a build-up of toxic gasses within the appliance, diverting them out of the property. The air pressure switch is tracked by the princted circuit board (PCB), ensuring that it is in service; if the air pressure switch is not working correctly the PCB will restrict the appliance from firing up .
We dont have this part listed against any specific appliance present on our website, if you have been told that this is the part you require please contact us.
The POTTERTON 642479 AIR PRESSURE SWITCH is a genuine, brand new Potterton Boiler Spares product, covered by a Potterton Boiler Spares manufacturer's guarantee.
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