This part is located within the air pressure switch section. The air pressure switch is a safety mechanism 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 toxic gasses with n
Fits Multiple Glow-worm Appliances
Technical specification
TypeTubeToilet Cistern CapacityFTW--Length40mmERP RatingNot ApplicableSupplier Part NumberS208737Brand NameGlow-Worm