Watts 957NRPDA-BFG-GPM-FS 6 - Part of the 957RPDA Series ADS They are available in a

They are available in a variety of sizes to fit most grates

This kit contains the rubber parts for the repair of the 6 inch Watts backflow preventer relief valve

ZB400I-3IP

UPC - 098268557312

designed to resist corrosion and chemical attack

Watts 957NRPDA-BFG-GPM-FS 6 - Part of the 957RPDA Series ADS They are available in aThis 6 inch reduced pressure detector backflow preventer assembly help stop the reverse flow of liquids due to backpressure or backsiphonage, where potential health hazard exists. Extremely compact and lighter than traditional designs it is approved for horizontal N pattern installation. This assembly consists of a stainless steel body with a quick access sleeve, torsion spring check valves, grooved gear operated butterfly valves with tamper switch,