• Factory replacement kit All parts are made of high quality materials No special tools required for changing parts

This total rubber parts replacement kit is used for repairing the parts to the relief valve 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 diaphragm, two discs, two disc assemblies, stem O-rings, cover O-ring, two seat o-rings and RV seat O-ring.