This Horizontal Discharge Suspended Unit Heater is ideal for dirty, dusty environments and for high altitude applications up to 13,000 ft. Made using 18 gauge steel cabinet with powder coated finish. Control compartment includes a hinged and latched access door for easy wiring installation and maintenance. Circular copper clad steel heating element has continuously brazed steel fins formed to match the air delivery pattern of the fan blade. Fan assembly is enclosed by a heavy gauge, closed space with chrome plated wire guards. Louvers are individually adjustable for direction control of air flow. Automatic reset type limit controls for overheat protection. Totally enclosed, single phase permanently lubricated and thermally protected motor is mounted on rubber insulators to minimize vibration and noise. Features unit bearing motor. Factory Installed Options must be purchased with same order as unit heater; factory installed options include powder coated Epoxy finish, Heat Purge Fan Delay Switch, Summer Fan Switch and Disconnect Switch.