Air Admittance Valve

Allows ventilation and transfer of air into a sanitary pipework system without the foul gases into the building and avoids the need to penetrate outer roof shell. It is recommended that air admittance valves are not used externally as environmental debris will affect the air tightness performance of the valve. Comes standard as 110mm or remove seal from 110mm push-fit for 82mm solvent connection. Tested and approved for use in installation varying between -20° and +60°C (no insulation required). can be installed below the flood level of connected appliances.

• uPVC Construction
• 42.3Ltr/sec Air Flow Capacity
• Available in 110mm black