Watts Backflow Preventer Series 009QT 3/8" (0062096)

«  ↑  » Watts Backflow Preventer Series 009QT 3/8" (0062096) Watts Backflow Preventer Series 009QT 3/8" (0062096) Watts Backflow Preventer Series 009QT 3/8" Reduced pressure zone (RPZ) backflow preventers designed to protect potable water supplies in accordance with national plumbing codes and water authority requirements. Protection from health hazard cross-connections or containment at the service line entrance. For continuous pressure use; protects against both back siphonage and backpressure backflow. Sizes 1/4" - 1" (8-25 mm) may have tee handle shutoffs. NPT female connections, quarter-turn, full port, resilient seated bronze ball valve shutoffs. Two in-line, independent check valves with intermediate relief valve. Standard ball type test cocks. For supply pressures up to 175 psi (12.1 bars). Sizes 1/4" - 2" (8-50 mm), water temperatures are 33F (0.5C) to 180F (82C).