Q-Mark Electric Whse Heater 480V 20KW - $900 (EL CAJON AIRPORT ) THIS IS A USED Q-MARK ELECTRIC UNIT HEATER WITH MOUNTING BRACKET, CIRCUIT BREAKER BOX AND THERMOSTAT. COMPLETE READY TO INSTALL. MODEL NUMBER MUH 20-4 THIS UNIT SELLS FOR OVER $2.000. READY TO MOUNT IN YOUR JET AIRPLANE HANGAR. The Q'Mark MUH Electric Heater is a totally versatile unit heater for factories, warehouses, garages, stores, shipping rooms, power stations, hangers, rest rooms and any enclosed area in need of heat. The Q'Mark MUH electric unit heater can be mounted either horizontally or vertically. All QMark MUH electric unit heaters have the fan delay feature that eliminates cold drafts, adjustable louvers to control air flow and automatic thermal cutout that provides element burnout protection. Meets all UL, NEC, and OSHA requirements. This QMark MUH Unit Heater has the following specifications: 20KW/30,000 watts, 102,300 BTU 480 VAC, 3ÃƒËœ, 36 amps 2100/1800 CFM 24 VAC Control Voltage. This unit is like NEW, SELDOM USED.