Qmark MUH0521

The QMARK MUH0521 is an electric unit heater with a fan-forced heating method for industrial and commercial spaces such as factories, warehouses, garages, stairwells, shipping docks, power stations, and mechanical rooms. It operates on 208/240V AC at 60 Hz and supports 1 or 3-phase power. The steel housing has a polyester powder-coated beige finish, and the unit can be mounted on a wall or ceiling. Its pull-through airflow design moves air across the heating element for even air distribution, and the enclosed fan motor is suited for demanding indoor applications and indoor/outdoor transition areas. Key Features of the QMARK MUH0521 Electric Unit Heater: Heating output: 3.7/5 kW with 12,600/17,000 BtuH heating capacity. Airflow performance: 350 cfm with a 45°F air temperature rise. Air distribution: Adjustable outlet louvers with a 12 ft horizontal air throw and 9 ft vertical floor coverage. Heating element: Aluminum-finned, copper-clad steel sheath element for cooler sheath temperature and faster heat dissipation. Motor and controls: Completely enclosed motor, mechanical selector dial, 3-pole switch, fan-delay, and auto reset features. Electrical configuration: 18A/21A, contactor coil voltage 208/240V AC, 1 or 3-phase operation. Construction: Steel cabinet with polyester powder-coated finish. Mounting and size: Wall or ceiling mounting; overall dimensions are 16 in H x 14 in W x 7-1/2 in D. Field adaptability: Compatible with optional field-installable control kits; requires MMB10 and UHMT2.