Neat Air Admittance Valve Installation Height
Also the admittance valve should only be installed in a vertical position.
Air admittance valve installation height. When serving multiple fixtures they should be a minimum of 6 above the flood level rim of the highest fixture and should only. Air admittance valve installation height How high should you install the air admittance valve. Installation guidelines can vary depending on code but in general AAVs serving a single fixture should be at least 4 above the center of the trap arm.
110mm and 82mm valves are for use on soil stacks in buildings up to five storeys in height and the 32mm 40mm and 50mm valves are for use on branch discharge pipes. I think youll find that technically it needs to be at least 600mm above the highest spill over point which is normally the basin. For more information about OSMA Soil vent c.
And a minimum of 6-inches above your highest level appliance is your floor level. It is typically added to the horizontal pipe between the fixture P-trap and the drain line. The short answer is a minimum of 200mm above any water entry point.
Several Durgo Air Admittance Valve manufacturers including Hunter Plastics and Floplast have published the following information although it doesnt appear to form part of the official regulations. The Sur-Vent adapters one-way valve is designed to allow air. For up to and including four dwellings one two or three storeys in height additional drain venting is.
Typically they are designed to fit 110 mm or 82 mm pipe for stack ventilation. For an arm trap the distance is 4 inches from the center. Oatey offers a wide range of Sure-Vent Air Admittance Valves to enable installation in virtually any application.
So if you imagine your soil pipe run then durgo valve AAV must be fitted above the highest connection to the soil pipe from any sink bath or toilet that is connected to it. Superior engineering along with stringent quality standards ensure unmatched performance. The document provides clear advice on how to position air admittance valves correctly as well as highlighting.