Broan 174 Wall Heater, 750/1500 Watt 120 VAC, White Painted Grille N/A Imported Housing Dimensions: 10-1/4" x 7-3/4" x 3-3/4" ; Grille Dimensions: 12" x 9-1/4" x 1/2" ; Shipping Container Dimensions: 14.9 x 11.2 x 6.2 inches Factory wired for 1500-Watt at 120VAC I easily converts to 750-Watt at 120VAC or 1500-Watt at 240VAC Heavy 20-gauge steel; louvered to direct air downward for even room heating Front-mounted, built-in adjustable thermostat automatically maintains desired temperature and features a color coordinated knob 100 percent efficient heating element - alloy heating element provides comfortable heat in seconds - Zig-Zag element configuration insulated with mica Complete assembly removes from housing for easy cleaning with permanently lubricated motor