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3/8-16 stem fitting
plastic check valve seat
ZB415I-4IG
Cover O-ring Kit Type First Check Kit Lead Free YES Product Group BACKFLOW KITS UPC - 098268458442
Febco - 850U-QT-FZ 1/2 - Part of the 850 Small Series geogrid 3/8-16 stem fittingThis 1 2 inch double check valve backflow preventer assembly is designed to prevent the backflow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. The compact modular design for easy maintenance has a single access cover for in line repairs. It is ideal for protection in continuous pressure piping applications and at cross