Ideal automatic air vent is a pressure safety mechanism in the central heating unit. They work by using floatation to release built up air. As water circulates through the heating and cooling system, a float within the automatic air vent opens or closes depending on the water level. If the system contains no air, the float will be pushed to the top and the vent will be closed until the water level drops.
Fits the Ideal domestic Mini C24, C28, S24 and S28
Fits the Ideal domestic Mini He C24, HE C28 and HE C32
Technical specification
Waist Sizeaa82cj57gzTypeAuto Air VentToilet Cistern CapacityFTW--MaterialBlackERP RatingNot ApplicableColourPlasticSupplier Part Number173813Range DescriptionBoiler SpareManufacturer Model No173813Brand NameIdeal Heating