Watts 1/2 in. Sweat Union Bronze Backflow Preventer

Intermediate atmospheric vent For laboratory equipment, processing tanks, sterilizers and dairy equipment. Can be used on hot or cold lines under continuous pressure. Brass body, stainless steel parts, integral strainer Can be installed horizontally or vertically Max. pressure 175 psi Maximum emergency backflow temperature 250 degree F.|Compact design|Stainless steel internal parts|Horizontal or vertical installation|Forged brass body for durability|Max. emergency backflow temperature 250 degree F|Maximum pressure 175 psi