0794151 (Watts) | 4 - 10 Inch | 909 (4-6 In)/ 909M1 (8-10 In) Total Relief Valve Repair Kit

This Kit Contains The Parts For The Repair of The 4 to 10 Inch Watts Backflow Preventer Relief Valve. It Consists of a Diaphragm, Disc And Piston Assembly, Seat, Seat O-Ring, Adapter O-Ring And Lubricant For 909 Sizes 4 to 6 Inch. Kit Also Includes Bottom Plug And Spring Assembly For 909M1 Sizes 8 to 10 Inch. Same as 0794086 | Watts | 0794151