Products tagged with 'plumbing ventilation'

The Wavin OsmaSoil 4S304W 110mm Air Admittance Valve is designed for use with compatible 110mm soil and waste systems. The valve allows air to enter the drainage system while helping prevent foul odours from escaping through the soil pipework.

Part of the Wavin OsmaSoil range, this white air admittance valve provides a practical solution for compatible drainage and ventilation installations.

The Wavin OsmaSoil 4S310G SW/S Vent Cowl Grey is a high-performance venting solution for 110mm soil stacks. Designed for push-fit installation, it prevents debris and rainwater ingress while allowing effective air circulation within soil systems.