Description
Wilkins 975 RPZ Rubber Kit 20mm – 25mm is compatible with the 20-25mm Model 975XL and 975XL2 Reduced Pressure Principal Backflow Preventers. Repair Kit components include two Seal Rings, two Cover O-Rings, one Relief Valve Seal Ring, one Relief Valve Diaphragm, and one Relief Valve Stem O-Ring. Repair Kits are sold as accessories for quick and simple repair needs, providing long-lasting protection from back siphonage and backpressure of contaminated water into the potable water supply.