<noscrub> <strong>HRA Series with Anti-Siphon Valve</strong> are Hydo-Rain s all-in-one valve. Anti-siphon valves keep your drinking water free from contaminants by restricting backflow. The HRA Series ASV is a tough but easy to use valve you can depend on for protecting your water source. The rugged design and construction includes a glass filled polypropylene lid for withstanding the harsh heat of the sun. The HRA with anti-siphon valve meets ASSE, CSA and IAPMO standards. <p><strong>Features:</strong></p> <ul> <li> Automatic valve For convenience and water savings use with 24-volt irrigation controllers</li> <li> Anti-siphon design anti-siphon vacuum breaker design keeps water downstream of the valve from siphoning back into the water source </li> <li> Double seal TPR diaphragm ensures years of reliable performance</li> <li> Stainless steel metering system ensures continual cleaning action every time the valve turns on or off</li> <li> Commercial grade construction Glass- lled nylon jar-lid and PVC body for long life and heavy-duty performance</li> <li> Buna-N valve seat seal provides positive closure preventing leaks</li> <li> Flow control Adjust the flow to meet the needs of your system </li> <li> Manual internal bleed Allows manual ON/OFF operation</li> <li> HRC 900 Adaptability Combine HRA 075/100 with HRC 900 isolation controller module and to run 1 4 valves in a remote location</li> </ul> </noscrub>