White Rodgers 1/2" NPT Zone Valve, Normally Closed (w/ Aux. Switch)

Features: Lever for manual open (normally closed valves only) Auxiliary switch (optional) Return spring design - stainless steel for long life Plastic molded cover provides extra protection from moisture Swing-type ball valve made from EPDM (Ethylene Propylene Polymer) Rotating design results in less wear on valve Raised ball design ensures positive valve closure and even surface wear Valve body & crank arm assemblies each made from one-piece cast brass construction Gears made from heavy 14 gauge brass for durable long life Valve assembly design includes a recessed "O" ring for positive sealing Specifications Voltage : 24 VAC Frequency : 50/60 Connection : 18" leads Flow Capacity : 3.5 Cv Close -off Pressure :20 PSI Maximum Pressure :142 PSI Maximum Temperature : 110 Degrees C (230 Degrees F) Motor : Electric synchronous, spring return Positioning : 2-way, straight through