Ideal for shops, garage work areas, farm ranch and craftsmen. Features push-button electronic ignition, stainless-steel burner and a high-performance squirrel cage blower. Compact box design heats up to a 5,000 cu. ft. space. Ignition will not take place unless heater is plugged in. Propane flow stops if heater is accidentally unplugged. Operates for hours from a standard 20-lb. propane tank. Powder-coated finish. AGA and CGA Certified.