Honeywell Zone Valve, 240Vac, 1/2″ Sweat, Normally Closed, Spring Return to Close, 3.5Cv, 20 Psi Maximum Closeoff Pressure, Manual Opener, 18″ Electrical Leads, 40-200 Degree Fluid Temperature Range, Brass Body, Stainless Steel Stem, Brass Seat, EPDM Rubber Packing O-Ring, Buna-N Rubber Ball Ball Plug