Tag Archives: air admittance valve

Air Admittance Valves Internal & External Use

Our Range Air Admittance Valves Or Durgo Valve Are Now Available From Speedy Plastics From 110mm In Black, Grey & White With Either A Push Fit Ring Seal Or A Solvent Weld Connection. Also We Have The Universal Air Admittance … Continue reading →

• January 12, 2018