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Backflow Preventer Repair Kit; For Use With: 957-OSY 3 in, 957-OSY 4 in, Mfr. No. 957-OSY 21/2; Includes: Diaphragm, First And Second Check, Inlet Coupler O-Ring And Valve Piston Assembly, Module O-Ring, Two Disc Elastomers And E Clips
Item | Backflow Preventer Repair Kit |
For Use With | 957-OSY 3 in, 957-OSY 4 in, Mfr. No. 957-OSY 21/2 |
Includes | Diaphragm, First And Second Check, Inlet Coupler O-Ring And Valve Piston Assembly, Module O-Ring, Two Disc Elastomers And E Clips |