Description

Scope of application: This Repair set fits for model 3/4 Inch to 1 Inch 975XL and 975XL2 reduced pressure principle backflow preventers. Set combination: Repair Kit components include two Check Seat O-Rings, two Check Seats, two Retaining Bolts, two Seal Ring Retainers, two Seal Rings, two Poppets, one #1 Check Spring, two Cover O-Rings, one #2 Check Spring, one Relief Valve Stem O-Ring, one Relief Valve Seat O-Ring, one Relief Valve Seat, one Spring, one Retaining Bolt, one Seal Ring Retainer, one Seal Ring, one Lower Plunger, one Diaphragm, and one Upper Plunger,and one Waterproof tape. Material: made of materials with excellent performance and longer service life, it has strong durability, corrosion resistance and rust resistance. High quality materials make it long-term use.