The Dungs part is located within the air pressure switch section. The air pressure switch is a safety mechanism that checks if the fan is fully operational. It ensures that, if the fan fails within the boiler, there will not be a build up of noxious gases.
Fits multiple appliances
Technical specification
Waist Sizeaa49cf11fxTypeAir Pressure SwitchERP RatingNot ApplicableSupplier Part NumberC50075JBrand NameDungs