1 Pcs Vacuum Breaker Check Valve 571-VAC-CHK-A Black Tank Check Valve Fit for b&b Model 571 Replace Leaking Vacuum Breaker on RV Camper Trailer Clean and Protect Your Water Fresh System

About this item Replacement Part Number: 571-VAC-CHK-A Interface Type: Inlet -1/2 ” NPT male, Outlet -1/2 ” NPT male Work Pressure: Minimum 8 PSI, maximum 125 PSI Fit for Grey Wolf 21 for Keystone Passport for Keystone Cougar TT 2011 for Montana 2007 for Keystone Sprinter 2019 for Forest River for Wilderness 2014 for Winnebago 2018 for Tiffin Open Road2015 for Fifth Wheel Installation location: This RV vacuum breaker check valve needs to be installed on the fresh water inlet pipeline to prevent backflow and backflow by maintaining appropriate pressure, playing a crucial role in keeping the water supply clean