Electric Wall/Ceiling Heater Unit, 480V AC, 9A, 3-Phase, 25600 BtuH, 37 Degrees F Temp Rise

The QMARK MUH074 is a fan-forced electric unit heater designed for industrial and commercial spaces such as factories, warehouses, garages, stairwells, shipping docks, power stations, and mechanical rooms. It has a 7.5 kW output with a heating capacity of 25,600 BtuH and uses a pull-through airflow design that moves air across the heating element for more even air distribution. The steel housing has a beige polyester powder-coated finish, and the unit can be mounted on a wall or ceiling.

Key features of the QMARK MUH074 Electric Unit Heater:

• Fan-forced heating: Delivers 650 cfm airflow with a 37°F air temperature rise.
• Heating element design: Aluminum-finned, copper-clad steel sheath element supports cooler sheath temperature and faster heat dissipation.
• Air direction control: Includes adjustable air outlet louvers with an 18 ft horizontal air throw and 14 ft vertical floor coverage.
• Motor and operation: Completely enclosed fan motor with fan-delay and auto reset features.
• Controls: Uses a mechanical selector dial and a 24V AC contactor coil voltage.
• Electrical configuration: 480V AC, 3-phase, 60 Hz, 9A.
• Construction: Steel cabinet with polyester powder-coated finish.
• Mounting and size: Wall or ceiling mount design; overall dimensions are 21-3/4 in H x 19 in W x 7-1/2 in D.
• Field adaptability: Supports field-installable optional control kits; requires MMB10 and UHMT1.