This relief valve rubber repair kit fits the 2 1/2 – 3″ Watts 909 Series reduced pressure zone (RPZ) backflow preventers. This kit includes all internal rubbers for the relief valve assembly. No check parts are included in this kit. No special tools are required for servicing. Genuine Watts replacement parts.
Includes:
- 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
- Lube







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