THE TURBOVENT AIR ADMITTANCE VALVE with a 1½"-2" HUB X FIP combo adapter is now available in either ABS or PVC. The adapter is designed to fit over 1½" or 2" DWV pipe. The valve meets ASTM 2665 and ...

Does NY code allow for the venting of a kitchen island sink via air admittance valve similar to the one shown here as option 2.

CLEVELAND, OH — Oatey Co. (Oatey) today announced that its affiliate has acquired Aktibolaget Durgo (Durgo), a specialty developer and manufacturer of air admittance valves (AAVs) and other pressure ...

Wavin Plastics has developed valves that help prevent the release of foul air into buildings. The valves ventilate drainage systems and prevent the loss of water seals in traps. The issue of indoor ...