4TRADE External Air Admittance Valve Grey

Valves are manufactured in modified PVCu and are extremely durable and designed to provide secure solvent weld jointing. PVC-C provides superior fire performance and its high softening point means it is not adversely affected by very hot water discharges.

• The Air Admittance Valves are designed to allow the free entry of air into the sanitary pipework system without the escape of foul gasses into the building
• 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 & +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 lineReduced installation time
• The 4Trade brand represents trade quality and value for money
• Statutory 12 months