Watts 957NRPDA-OSY-GPM-FS 6 - Part of the 957RPDA Series Basement Window Well Z645-4IC-Y

Z645-4IC-Y

5" Depth = 4

This relief valve rubber parts repair kit is used for replacing or repairing the relief valve assembly on a 2 1/2 and 3 inch reduced pressure zone assembly which is used to prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure

rounded profile to help inhibit bacterial buildup

Watts 957NRPDA-OSY-GPM-FS 6 - Part of the 957RPDA Series Basement Window Well Z645-4IC-YThis 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, resilient seated gate valves with outside stem and yoke,