5880 Alpine Ave. NW
Comstock Park, MI 49321  USA Tel 616-784-1121 800-442-2581 Fax 616-784-7775 E-mail sales@heatersplus.com

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Qmark Type MWUH5004 Horizontal/Downflow Unit Heater

Qmark Electric Heating Products
We are an authorized distributor for Qmark®, a division of Marley Engineered Products.
  • UL Listed
  • Applications include primary, supplementary, or auxiliary heat source in factories, stores, garages, warehouses, public buildings, service stations, workshops, large or exposed areas or additions.
  • Heater comes equipped with ceiling mounting bracket for horizontal or vertical flow mounting or any position in between.
  • Built-in single pole thermostat adjusts from 45° to135°F.
  • Eight wattages and two voltages make the MWUH5004 field adjustable from 1874 watts at 208 volts to 5000 watts at 240 volts. (See Section Chart Below.)
Volts Watts BTUH Amps
240 5000/4165 17063/14214 20.8/17.4
3332/2500 11371/8531 13.9/10.4
208 3750/3123 12797/10658 18.0/15.0
25001875 8531/6399 12.0/9.0
  • Automatic control delays fan action until heating element is warm. When thermostat is satisfied, fan continues to operate until heating element is cool. By preventing circulation of cold air and expelling excess heat, comfort level is raised and component life is extended.
  • A high-level cutout automatically shuts off current in event of overheating and reactivates the heater when temperature returns to normal.
  • Dimensions are 14" wide, 12-1/2" tall, and 11-1/4" deep.
  • Fan Motor 8 watts, 1350 RPM
  • Minimum mounting height 6'
Selecting the quantity and wattage of heaters you will need in a given area depends on whether you are using the heaters as a primary heat source (no other heaters present) or supplementing existing heaters such as a forced air furnace system. A general rule of thumb for primary heating is to use 10 Watts / Square Foot of heat.  Example: a 10'x10' room is 100 square feet:

100 x 10 W/Ft2 = 1000 Watts.

Keep in mind that this is for an insulated building or room insulated to "electric heating" standards and is an estimation based on average conditions.

Secure Online Ordering
Delivery time: typically ships in 1 working day or less plus the time of your selected UPS shipping method.  Your shipping cost will be displayed in your shopping cart.  This delivery time is for normal conditions and is subject to Qmark factory availability.
Item ID Catalog# Description Price Click "Select" below
QMARK685360047706 MWUH5004 Horizontal/Downflow Unit Heater $306.42 Select

Qmark® is a registered trademark of Marley Engineered Products.


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Mor Electric Heating Assoc., Inc. is a Distributor of Industrial, Commercial and Residential Heaters and Controls.
Always consult manufacturers installation instructions for proper installation of the products or systems shown on this website.

visit our other website for home/office/factory infrared heating:

MOR ELECTRIC HEATING ASSOC., INC.
5880 Alpine Ave. NWComstock Park, MI 49321  USATel 616-784-1121800-442-2581Fax 616-784-7775 E-mail sales@heatersplus.com