RV Vacuum Breaker Check Valve – Backflow Preventer for RV and Marine Freshwater Systems – Anti-Leak, Corrosion-Resistant, Easy Installation – Replacement for 571-VAC-CHK-A sold2023 Tested for Reliability: Each Low

Tested for Reliability: Each Low Coolant Level Sensor is tested before shipping

Easy to UseSpring-loaded for one-handed operation

the better the lighting effect

which makes it convenient to press and spring back

On/Off Switch

RV Vacuum Breaker Check Valve – Backflow Preventer for RV and Marine Freshwater Systems – Anti-Leak, Corrosion-Resistant, Easy Installation – Replacement for 571-VAC-CHK-A sold2023 Tested for Reliability: Each LowRV Vacuum Breaker Check Valve Backflow Preventer for RV and Marine Freshwater Systems Anti Leak, Corrosion Resistant, Easy Installation Replacement for 571 VAC CHK A Product Features Trusted Halotronics Quality Engineered for durability and reliability, the Halotronics RV Vacuum Breaker Check Valve prevents backflow, protecting your fresh water supply from contaminants. Universal Compatibility Designed to replace common model 571 VAC CHK A, this check