RV Vacuum Breaker Check Valve 571 VAC CHK A Brass RV Backflow Preventer For

--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n\nFeature: \n 1. OE Number: The replacement part number is 571 VAC CHK A. Please check the part numbers whether it suits your vehicle before purchasing. This backflow preventer valve gives you a high level of peace of mind when exploring the outdoors.\n2. High Performance: Crafted from premium brass, the use of an integrated spool provides enhanced durability with improved sealing and quieter operations. It offers high sensitivity to water pressure and can withstand pressures ranging from 8-125 PSI.\n3. Powerful Function: This vacuum breaker valve is designed to prevent backflow and back siphonage in the black tank flushing system. It ensures the cleanliness and health of your freshwater source.\n4. Easy Installation: Featuring 1/2in NPT male threads on both the inlet and outlet, this valve allows for easy installation. The correct installation direction is indicated by the \""FLOW\"" arrowhead on the valve body, e-