WATTS® 0794120 Total Parts Kit, For Use With Series 909RPDA 4 in Reduced Pressure Detector Assembly, Rubber, Domestic

This relief valve rubber parts repair kit is used for replacing or repairing the relief valve assembly on a 2-1/2 and 3 in reduced pressure zone assembly which is used to prevent the reverse flow of polluted water from entering into the potable water supply due to back siphonage and or backpressure. This kit consists of a sleeve O-Ring, seat O-Ring, piston O-Ring, stem O-Ring, RV disc assembly, diaphragm, piston seal, bottom plug O-Ring, adapter O-Ring and lubricant. WATTS® Total Parts Kit, For Use With: Series 909RPDA 4 in Reduced Pressure Detector Assembly, Rubber, Domestic