Wilkins RK114-950XLC | Complete Repair Kit, 1 1/4"-2" Double Check ValveThe Wilkins RK114 950XLC is a complete repair kit for 1 1 4" to 2" Model 950XL Double Check Valve Backflow Preventers, featuring all internal parts including poppets, o rings, springs, and seats . This ASSE 1015 listed backflow preventer protects against contaminated water entering the potable supply due to backsiphonage or backpressure . Key Specifications: Compatible Sizes: 1 1 4 to 2 Inches Maximum Working Water Pressure: 175 PSI Maximum Working