Broan® Heater, 500/1000W 120Vac, 750W 208Vac, 1000W 240Vac The 14-19/64 In. X 9-19/64 In. 1,000-Watt White Wall Heater Features Louvers That Direct Heated Air Downward For Even Distribution Throughout An Area. This Wall Heater Can Be Operated From A Convenient Wall-Mounted Line-Voltage Thermostat By Using The Broan Model 86W. The Thermal Overload Protection Feature Helps Provide Safe Use.