Allows the free entry of air into the sanitary pipework system without the foul gases escaping into the building. 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. Push-fit 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.
Air Admittance Valve Internal Black 110mm
£15.38
1 in stock
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SKU: 14775
Category: Soil Pipe And Fittings
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