Watts 757-BFG 3 - Part of the 757 Series Window Well Extension Snap action valve

Snap action valve

UPC - 098268394917

The plugs allow configurations of straight through to outlet

deck flange

UPC - 098268178302

Watts 757-BFG 3 - Part of the 757 Series Window Well Extension Snap action valveThis 3 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of water of non potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. It is ideal for protection at cross connections identified as non health hazards and from other contaminants found at the service line