Zone Valve, 120Vac, Three Way, Diverting, 3/4" Sweat, 7 Cv, 10 Psi Maximum Closeoff Pressure, Manual Opener, 18" Electrical Leads, Spring Return to Port A, Port A Normally Closed, 40-200 Degree Fluid Temperature Range, Brass Body, Stainlkess Steel Stem, Brass Seat, EPDM Rubber Packing O-Ring, Buna-N RUbber Ball Plug, Includes Integral SPDT Changeover Aquastat Controller