The air pressure switch is a safety device which checks the fan is fully operational. It ensures that, if the fan malfunctions within the boiler, there would not be a build up of toxic fumes with no means of venting them. The printed circuit board monito
Comes with lead
Technical specification
Waist Sizead58cf24gwTypeAir Pressure SwitchERP RatingNot ApplicableSupplier Part Number65-00118Brand NameRadiant