Broan 198 High Capacity Wall Heater, 2000/4000 Watt 240 VAC, White Painted Grille Heavy-duty, 18-gauge steel grille has downflow louvers to direct heat gently toward the floor and a one-piece design with baked enamel finish for durability Adjustable, front-mounted, heavy-duty thermostat offers a simple way to control the level of heat and thermostat security cover prevents tampering Optional line-voltage wall thermostat (Model 86W sold separately) is available for a convenient way to control the heater Built-in fan-delay allows the heating element to warm up before the fan starts to prevent cold air delivery and then keeps the fan running as the heating element cools down to maximize heat delivery and energy savings.Permanently lubricated motor, heavy-duty sheathed element with steel plate fins, and a manual reset thermal overload protector combine to ensure reliable operation and years of trouble free heating. UL Listed for safety. Housing material : Steel Factory wired for 4000 watt at 240 VAC - easily converts to half-wattage Durable white baked enamel grille blends with virtually any dcor and keeps its appearance after years of use even in high-traffic areas Heavy-duty one-piece steel grille louvered to direct air downward for even room heating Adjustable, built-in heavy-duty disc-type thermostat-thermostat security cover included and can be operated by built-in adjustable thermostat or optional wall-mount thermostat 100-Percent efficient heating element-alloy heating element steel-sheathed, plate-finned, heavy-duty enclosed heating element provides heat quickly and quietly provides comfortable heat in seconds