Air Admittance Valve Ring Seal for 110mm Pipe

Air Admittance Valve is designed to allow the free entry of air into the sanitary pipework system without the escape of foul gasses into the building.

- For internal use only

- Product is A1 approved in accordance with BS EN 12380 it can be installed below the flood level of connected appliances.

- Tested and approved for use in installations varying between -20° & +60°c (no insulation required).