Watts Bronze Backflow Preventer 1/2 in. Threaded

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, Maximum pressure 175 psi.|Forged brass body for durability|Compact design|Stainless steel internal parts|Horizontal or vertical installation