Product Details
This relief valve rubber repair kit is designed specifically for the 2 1/2 - 3" Watts 909 series reduced pressure zone (RPZ) backflow preventers and includes all the necessary internal rubbers for the relief valve assembly; however, it does not include any check parts. The kit requires no special tools for servicing and consists of genuine Watts replacement parts. The components included in the kit are a relief valve diaphragm, RV stem O-ring, RV disc rubber, RV piston O-ring, RV seat O-ring, RV sleeve O-ring, bottom plug O-ring, small RV diaphragm O-ring, and lubricant.
