The automatic air vent is a pressure safety device in the central heating unit. They work by using floatation to release accumulated air. As water flows through the complex cooling and heating system a float within the automatic air vent opens or closes d
Connection: 3/8 Inch
Technical specification
Waist Sizeab18cc14guTypeAuto Air VentMaterialMetalColourBrassSupplier Part NumberB04220003Brand NameKeston