
The QMARK MUH0371 is a fan-forced electric unit heater for wall or ceiling mounting in commercial and industrial spaces such as factories, warehouses, garages, stairwells, shipping rooms, power stations, and mechanical rooms. It provides 3 kW of heating output (10,239 BtuH) on 277V AC, 1-phase power, with 350 cfm airflow and a 27°F air temperature rise. The steel housing has a powder-coated beige finish, and the unit can be mounted horizontally or vertically to suit different installation needs.
Key Features of the QMARK MUH0371 Electric Unit Heater:
- Fan-forced heating: Uses a fan-forced design to move heated air through the space.
- Mounting options: Configured for wall or ceiling installation and can be mounted in either horizontal or vertical position.
- Air distribution: Adjustable air outlet louvers help direct airflow where needed; horizontal air throw is 12 ft and vertical floor coverage is 18 ft.
- Heating element design: Aluminum-finned, copper-clad steel sheath element supports cooler sheath temperature and faster heat dissipation.
- Airflow design: Pull-through airflow draws air across the heating element for more even air distribution.
- Motor construction: Equipped with a completely enclosed fan motor.
- Controls: Mechanical selector dial with a 3-pole switch and 277V AC contactor coil voltage.
- Housing: Steel cabinet with powder-coated beige finish.
- Size: Overall dimensions are 16 in H x 14 in W x 7-1/2 in D.
- Electrical: Rated 11A, 50/60 Hz, 277V AC, 1-phase.
- Optional adaptability: Supports field-installable optional control kits.
Corporate Procurement & PO Processing
Formal Purchase Orders (POs) and tax-exempt ordering are accepted for commercial contractors and institutional facilities.
Apply for Trade Account & Terms →📋 Procurement & Shipping Notice
- LTL Freight Dispatch: Heavy commercial units ship directly via insured LTL carrier with delivery coordination included.
- Project Timelines & Submittals: Need guaranteed delivery dates, formal submittals, or tax-exempt processing?
👉 Request a Commercial Quote or contact our procurement team for direct freight scheduling.