Rogierra RV Vacuum Breaker Check Valve, 571-VAC-CHK-A Brass Backflow Preventer for RV Black Tank Flusher System - Fix Leaks, Noise & Wet Floor, Compatible with Model 571, 1/2" Male Thread

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• 【RV Vacuum Breaker Check Valve for Black Tank Flusher System】 This vacuum breaker check valve is designed for use with model 571 black water tank flushing systems. Installed between the freshwater inlet and the tank flusher, it prevents backflow and back-siphonage to help maintain a clean and healthy freshwater supply in your RV.
• 【Upgraded Brass Construction for Durability & Cold Weather】 Constructed from solid brass, this 571-VAC-CHK-A check valve withstands water pressure from 8-125 PSI and resists freezing and cracking in cold climates. It offers superior performance and a longer lifespan compared to plastic valves.
• 【Easy Installation with Standard 1/2" NPT Male Threads】 Featuring 1/2-inch NPT male threads on both inlet and outlet, this valve simplifies installation into your RV’s black tank flush line. For optimal function, install at least 6 inches above the highest point connected to the waste tank.
• 【Versatile Compatibility with RV Black Tank Systems】 Suitable for various campers, travel trailers, fifth wheels, and motorhomes, this vacuum breaker serves as a direct replacement for faulty or leaking valves in black tank flushing systems, supporting efficient and contamination-free water flow.
• 【Reliable Performance to Prevent Leaks and Water Contamination】 Replace your leaking or cracked RV vacuum breaker check valve to eliminate water leaks, wet floors, and backflow issues. Ensures dependable operation each time you flush your black tank for a more convenient and comfortable RV experience.

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