Brass non-return valve for motorhomes, 571-VAC-CHK-A, non-return valve for motorhome trailers, for black water tank system, replacement non-return valve for B&B model 57

Vacuum Breaker Check Valve RV: Fits b&b model 571 backflow preventer. This backflow preventer is part of the black tank flushing system and is installed between the fresh water inlet and the tank flushing. Designed to prevent backflow and siphoning, keeping your fresh water supply clean and healthy. Improved Construction: Enhanced brass construction to withstand water pressures from 8 to 125 PSI, this 571-VAC-CHK-ARV vacuum breaker backflow preventer is built to last, ensuring good water safety, long-lasting performance, and peace of mind while traveling. Easy Installation: With 1/2" NPT male threads on both the inlet and outlet, this vacuum check valve is simple to install in your RV's black tank flushing system and must be installed at least 6 inches above the highest point of any component connected to the waste tank where the flush is installed. Versatile Application: Suitable for various models of RVs, motorhomes, caravans, and campervans, the 571-VAC-CHK-A one-way check valve for RV tanks is a reliable replacement for cracked or leaking check valves, ensuring efficient water flow. Reliable and Efficient: Direct replacement of the cracked and leaking check valve, if your check valve leaks when rinsing the black tank, or when the black tank rinsing line system is blocked/defective and wet. Upgrade your RV vacuum cleaner check valve and say goodbye to leaks and contaminated water. BrassRVCamperBlackTankVacuumBreakerCheckValve RVBackflowPreventerImproveFreshwater PartNumber: 571-VAC-CHK-A UpgradedMaterial: Brass WorkWaterPressureRange: 8-125PSI ConnectionType: 1/2''NPTmalethreadsonboththeinletandoutlet Compatible: ReplacementforForestRiver/forGreyWolf21/forWilderness2014/forKeystonePassport/forWinnebago2018/forKeystoneCougarTT2011/forTiffinOpenRoad2015/forMontana2007/forFifthWheel/forKeystoneSprinter2019 SituationsthatmayrequirereplacementoftheRVblacktankflushanti-siphonvalve: Checkvalveisoldanddamaged LoudnoisecomingfromunderRVbathroomsink Waterleaksorspraysafterflushingtheblackwatertankleadwetfloor Features: ReplaceyourfaultyRVvacuumbreakervalvefortheblacktankflushsystemtofixleaksandpreventwaterdamagetoyourRVcampertrailerfloor. Thisexactreplacementcheckvalveisperfectforthejob,ensuringareliableandleak-freeblacktankflush. Installedbetweenthefreshwaterinletconnectionandthetankflusher,thisvacuumbreakervalveallowsblacktankwatertomixwithgreywaterwhilekeepingthefreshwatersourcecleanandhealthy. Designedasabrasstankanti-siphonvalve,itpreventsbackflowandback-siphonage,ensuringthatunwantedcontentsdonotcontaminatetheRVwatersupply. Upgradetothisefficientandeffectivevacuumbreakervalvetomaintainatrouble-freeblacktankflushingsystem. TIPS: Onlybeusedononefixtureatatime Makesuretoinstallrvcheckvalveabsolutelyvertical Don'tusethervblacktankvalvemorethan12hourscontinuously Installed6"abovethehighestpointfixtureconnectedtoyourwatersystemwheretheflusherisinstalled Ifyouarenotsurehowtoinstallthischeckvalve,itisrecommendedtoaskaprofessionalRVmechanicorplumber.