RV Vacuum Breaker Check Valve Fit for b&b Model 571 Check Valve,571-VAC-CHK-A Camper Trailer Flusher Check Valve Replace Leaking Vacuum Breaker on Black Tank System

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• RV Vacuum Breaker Check Valve: This check valve 571-VAC-CHK-A is a part of the black tank flushing system and installed between the freshwater inlet and the tank flusher. Designed to prevent backflow and back-siphonage, keeping your freshwater source clean and healthy.
• Versatile Application: Suitable for various RV models, campers, travel trailers, and motor homes, the 571-VAC-CHK-A RV black tank flush one way check valve is a reliable replacement for cracked or leaking check valves, ensuring efficient water flow.
• Durable Construction: Made to withstand water pressure ranging from 8-125 PSI, this 571-VAC-CHK-A RV vacuum breaker check valve is built to last, ensure proper water safety and long-lasting performance and peace of mind during your travels.
• Easy Installation: With 1/2" NPT male threads on both the inlet and outlet, this vacuum breaker check valve is simple to install in your RV's black tank flushing system, and must be installed a minimum of 6 inches above the highest point of any item connected to the waste tank where the flusher is installed.
• Reliable and Efficient: Direct replacement for cracked and leaking rv vacuum breaker check valve, if your rv check valve was leaking when flushing black tank, or when black tank flush line system was blocked/faulty and wet rv camper trailer floor. Upgrade the RV vacuum breaker check valve and say goodbye to leaks and contaminated water.