The Air Admittance ValvesÊare designed to allow the free entry of air into the sanitary pipework system without the escape of foul gasses into the building
Product is A1Êapproved 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)
Airflow: 30.8 L/s
Removal of unsightly ventilation stack
Eliminates the need to work and handle pipe above the roof line
Reduced installation time
The 4Trade brand represents trade quality and value for money