The Biasi Automatic Air Purger Valve is a pressure safeguard in the central heating unit. They work by using a floatation device to release built-up air. As water flows through the heating or cooling system, a float within the automatic air vent (aav) opens or closes.
Fit into the pump
Technical specification
Waist Sizeaa54ce12gvSupplier Part NumberBI1212107Brand NameBiasi