Steam and Hot Water Solenoid Valve; Solenoid Valve Product Group: Steam and Hot Water Solenoid Valve; Valve Ways and Positions: 2-Way/2-Position; Valve Configuration: Normally Closed; Media - Valves: Hot Water, Steam; Pipe Size - Valves: 1 1/2 in; Min. Operating Pressure Differential: 5 psi; Max. Operating Pressure Differential Hot Water: 150 psi; Max. Operating Pressure Differential Steam: 50 psi; Environmental Rating - Valves: Indoor, Outdoor; Voltage: 120V AC; Coefficient of Volume: 22.5; Body Material - Valves: Brass; Coil Insulation Class: F; Orifice Dia.: 1 1/4 in; NEMA Rating: 1, 2, 3, 3S, 4, 4X; Max. Fluid Temp. Hot Water: 210 Degrees F; Coil Enclosure: Watertight No Junction Box; Max. Fluid Temp. Steam: 300 Degrees F; Electrical Connections: 1/2 in Conduit w/18 in Leads; Watts: 10.1 W; Ambient Temp. Range: 125 Degrees F; Hz: 60/50; Overall Length: 4 3/8 in; Overall Width: 4 3/32 in; Overall Height: 6 9/32 in; Center Line Pipe Center Size: 4 11/32 in