Watts 957ZRPDA-BFG-CFM-FS 4 - Part of the 957RPDA Series Window Well Cover UPC - 098268067927

UPC - 098268067927

Channel 13 is a sloped section with an invert depth from 11

UPC - 098268581560

Compatible with long module sections (e

Watts 957ZRPDA-BFG-CFM-FS 4 - Part of the 957RPDA Series Window Well Cover UPC - 098268067927This 4 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 Z 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,