A pump check valve can be fixed by replacing the pump head assembly or by replacing the entire pump
trouble finding a check valve for a 3/8" water line in local stores, since 1/2 " is the smallest size commonly used in household plumbing
RV Roamer said:And you might have trouble finding a check valve for a 3/8" water line in local stores, since 1/2 " is the smallest size commonly used in household plumbing.