
The QMARK MUH0381 is a fan-forced electric unit heater for industrial and commercial spaces such as factories, warehouses, garages, stairwells, shipping docks, power stations, and mechanical rooms. It operates on 208V AC, single-phase power and provides 3 kW of heat output with a heating capacity of 10,200 BtuH. Its pull-through airflow design moves air across the heating element for more even air distribution, and the venturi outlet supports added air throw when mounted in a vertical position.
Key Features of the QMARK MUH0381 Electric Unit Heater:
- Fan Forced Heating: Delivers 350 cfm airflow with a 27°F air temperature rise.
- Heating Element Design: Aluminum-finned, copper-clad steel sheath element is designed for lower sheath temperature and faster heat dissipation.
- Enclosed Motor: Motor is completely enclosed for use in demanding indoor work areas.
- Adjustable Louvers: Includes adjustable air outlet louvers to direct heated air where needed.
- Fan-Delay and Auto Reset: Built-in operating features for heater control.
- Control Type: Mechanical selector dial.
- Mounting Options: Designed for wall or ceiling mounting; vertical floor coverage is 9 ft and horizontal air throw is 12 ft.
- Housing Construction: Steel housing with a beige polyester powder-coated finish; cabinet construction uses 20-gauge steel on small to medium cases and 18-gauge steel on larger cabinets.
- Electrical Specifications: 208V AC, 1-phase, 60 Hz, 14.5A, with 208V AC contactor coil voltage and 3-pole switch.
- Dimensions: 16 in H x 14 in W x 7-1/2 in D.
- Field-Installable Options: Supports a range of optional control kits for added configuration flexibility.
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.