M7900AAV PURGEnVENT Automatic Air Vent Valve 1"

The PURGEnVENT Model 7900 Automatic Air Vent (AAV) is a 1" ball valve, strainer, air vent, and purge assembly. This patent pending, one-piece isolation valve with strainer and purge with hose thread is designed to allow for the rapid purging of air from the pipes as the system is filled and the venting of excess air once the system is filled. The purge valve doubles as a vacuum break when the system is being drained.

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