【APPROVED TO USE】: 3/4 inch female hose threaded inlet × 3/4 inch male hose threaded outlet. SUNGATOR vacuum breaker set Meets ASSE 1011/CSA B64.2, ANSI/NSF 61-9 for quality assurance.
【ADVANCED FUNCTION】: Vacuum breaker valve is designed to prevent the backflow of fluids back into the potable water system. Break-off screw for permanent attachment, the drain hole is able to drain the remained water in the pipe. Anti siphon device is equipped with a self-draining mechanism that allows water to drain upon shut off effectively, and eliminates back-siphonage into water supply.
【GREAT COMPATIBILITY】: These 3/4 inch anti-backflow valve is compatible with most of standard hose and end valves including hose bibs, sillcocks, RV, garden spigot, outside water faucets, and hydrants. BUT NOT FOR FINE THREAD.
【HIGH QUALITY】: Durable brass material stays longer. SUNGATOR 3/4 inch anti siphon valve has excellent corrosion and high temperature resistance. Max operating pressure is 125 psi; Max operating temperature is 180°F/82°C
【ATTENTION】: Reaching a certain water pressure, the drain hole is able to drain the remained water in the pipe. Please keep away from the product when turning off the water, remained water will be sprayed out.