This 1 inch lead free anti-siphon pressure vacuum breaker backflow preventer prevents the reverse flow of polluted water from entering the potable water supply due to backsiphonage. It features lead free bronze body construction, silicone rubber check valve disc, plastic check valve seat, stainless steel springs, a bonnet with silicone rubber O-ring seal, a lightweight plastic disc float, tee handle shutoff, and test cocks for winterization draining. Ideal for health hazard continuous pressure applications such as irrigation systems and industrial process water systems.

• 1" size
• Lead free bronze / copper silicon alloy body
• Female NPT inlet/outlet with quarter turn ball valve shutoffs and tee handles
• 150 psi max working pressure
• 33°F to 140°F temperature range
• ASSE 1020, ANSI, IAPMO, USC approved
• Freeze resistant with built-in relief valve
• For continuous pressure health hazard applications like irrigation