Watts: 1  1/4″- 1  1/2″ – Total Rubber Parts Kit for a 919 Reduced Pressure Zone Assembly OR 400B RP

(Same as 7018508)

Kit Includes: 2 Check Discs, 2 Check Seat O-Rings, 2 Check Cover
O-Rings, Relief Valve Disc, RV O-Ring, and RV Cover O-Ring, Relief
Valve Diaphragm