3/8” MALE PIPE THREAD IN x 3/8” MALE FLARE OUT BRASS VENTED CHECK VALVE (BACKFLO PREVENTER)
This high quality, yet heavy duty vented check valve is made of pure brass and stainless. It’s male in to male out fittings are designed to be mounted on the outlet side of the carbonator pump. This check valve is a board of health requirement in most states of the U.S.. It must be installed after the brass pump and before the carbonator tank of your carbonator, to assure the prevention of water contamination by means of seltzer backing up into your fresh water supply line.