Linear Infrared Ceramic Heater Indoor Face Temperature 1 420 Degrees F Heater Voltage 240V AC Number of Elements 4 Housing Material Aluminum 4 kW kW 4 000 W Watts 16.67 Amps 1 Phase Length 40 in Width 3 7/8 in Height 3 1/2 in Mounting Type Locating Bolts 3/4 in From Either End of Heater Housing Length Standards Element is UL Recognized Includes 1/2 in Electrical Fittings At Each End Mounting Hardware