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Qmark Type MUH Unit Heaters

Qmark Electric Heating Products
We are an authorized distributor for Qmark

  • Totally versatile- mounts either horizontally or vertically. For factories, warehouses, garages, stores, shipping rooms, power stations, aircraft hangers. Can be used for primary, supplementary, spot, or dual-system heating.

  • Wide range of optional control kits are field installable, increasing the MUH adaptability to the specification market.

  • Forced air unit heater with 10 power ratings; from 3KW to 50 KW heating output; 208, 240, 277 and 480V, 10,230 to 170,500 BTU/hr.

  • 32 compatible models (no need to try to assemble a heating system from 70 or 80 models!)

  • Heavy gauge die-formed steel housing. Two-toned, smartly styled

  • Advanced pull-through air flow design draws air across heating element for more even air distribution and cooler element operation.

  • Specially designed venturi outlet to meet that added throw as required in vertical position.

  • Branch circuit fusing (when required). Completely enclosed fan motor.

  • 1- or 3-phase wiring on 5 through 10 KW 208/240V and 15 KW 208V units (field interchangeable)

  • Aluminum-finned, copper clad steel sheath heating element has longer useful life, because of cooler sheath temperature and faster heat dissipation.

  • 24V control transformer standard on most models, providing a safer and more accurate means of temperature control. 3KW and 5KW, 208-277V, have line voltage controls as standard (24V control available on made-to-order basis).

  • Automatic reset linear thermal cut-out, capillary type, provides protection over entire length of element areas (Manual reset protection available on made-to-order basis).

  • 2-speed fan selector switch (25 to 50 KW models).

  • Fan delay feature eliminates cold drafts. Element heats up before fan cuts in then fan continues to  distribute heat after element shuts off.

  • Ruggedly built, yet lighter weight for easier installation. No piping flues, valves, or traps.

  • Individually adjustable discharge louvers to control air flow.

  • Choice of optional diffusers for variety of air patterns, maximizing heat concentration and coverage in the vertical position.

  • Meets all UL, NEC, and OSHA requirements.

  • UL listed

Dimensions

Catalog# Height Width Depth
MUH03&05 16" 14" 7.5"
MUH07&10 21.75" 19" 7.5"
MUH15&20 21.75" 19" 12.75"
MUH25&30 30" 26.625" 11.75"
MUH40&50 30" 26.625" 17.125"

Optional Universal Wall & Ceiling Mounting Bracket

 Bracket Size


Optional Accessories:

Optional Built-in Controls and Accessories:


MOUNTING LIMITATIONS

Unit heaters should not be used in potentially explosive atmospheres. The finish is not intended for direct salt spray exposure in marine applications or the highly corrosive atmospheres of swimming pools, chemical storage bins, etc. Do not install unit heaters above recommended maximum mounting height. Obstructions must not block unit heater air inlet or discharge. Heaters must be mounted at least 7' above the floor to prevent accidental contact with the heating element or fan blade which could cause injury. 


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Secure Online Ordering
Delivery time for the following products: Some MUH heaters are typically in stock at Mor Electric Heating and are processed/shipped in 1 working day or less.  MUH heaters not in stock will typically ship in 8-10 working days or less plus allow additional time for your selected UPS or FedEx 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.

Optional Universal Wall and Ceiling Mounting Bracket
Optional Ceiling Mounting Bracket
Optional Vertical Ceiling Mounted Bracket
Optional Accessories
Optional Thermostat Control Kits

Item ID Catalog# Volts Phase kW

Control Voltage

Click "Select" below to see our price and actual real-time quantity in stock
QMARK685360047164 MUH0321 208/240 1 2.2/3 208/240 Select
QMARK685360047225 MUH0521 208/240 1/3 3.7/5 208/240 Select
QMARK685360047300 MUH072 208/240 1/3 5.6/7.5 24 Select
QMARK685360047362 MUH102 208/240 1/3 7.5/10 24 Select
QMARK685360047256 MUH0541 480 3 5 24 Select
QMARK685360047218 MUH0381 208 1 3 208 Select
QMARK685360047287 MUH0581 208 1/3 5 208 Select
QMARK685360047355 MUH078 208 1/3 7.5 24 Select
QMARK685360047416 MUH108 208 1/3 10 24 Select
QMARK685360047454 MUH158 208 1/3 15 24 Select
QMARK685360047492 MUH208 208 3 20 24 Select
QMARK685360047560 MUH308 208 3 30 24 Select
QMARK685360047669 MUH508 208 3 50 24 Select
QMARK685360047423 MUH152 208/240 3 11.2/15 24 Select
QMARK685360047461 MUH202 208/240 3 15/20 24 Select
QMARK685360047508 MUH252 208/240 3 18.7/25 24 Select
QMARK685360047539 MUH302 208/240 3 22.5/30 24 Select
QMARK685360047607 MUH402 208/240 3 30/40 24 Select
QMARK685360047638 MUH502 208/240 3 38.7/50 24 Select
QMARK685360047201 MUH0371 277 1 3 277 Select
QMARK685360047270 MUH0571 277 1 5 277 Select
QMARK685360047348 MUH077 277 1 7.5 24 Select
QMARK685360047409 MUH107 277 1 10 24 Select
QMARK685360047171 MUH0331 347 1 3 347 Select
QMARK685360047249 MUH0531 347 1 5 347 Select
QMARK685360047317 MUH073 347 1 7.5 24 Select
QMARK685360047379 MUH103 347 1 10 24 Select
QMARK685360047188 MUH0341 480 3 3 24 Select
QMARK685360047324 MUH074 480 3 7.5 24 Select
QMARK685360047386 MUH104 480 3 10 24 Select
QMARK685360047430 MUH154 480 3 15 24 Select
QMARK685360047478 MUH204 480 3 20 24 Select
QMARK685360047515 MUH254 480 3 25 24 Select
QMARK685360047546 MUH304 480 3 30 24 Select
QMARK685360047614 MUH404 480 3 40 24 Select
QMARK685360047645 MUH504 480 3 50 24 Select
QMARK685360047195 MUH0361 600 3 3 600 Select
QMARK685360047263 MUH0561 600 3 5 600 Select
QMARK685360047331 MUH076 600 3 7.5 24 Select
QMARK685360047393 MUH106 600 3 10 24 Select
QMARK685360047447 MUH156 600 3 15 24 Select
QMARK685360047485 MUH206 600 3 20 24 Select
QMARK685360047522 MUH256 600 3 25.2 24 Select
QMARK685360047553 MUH306 600 3 30 24 Select
QMARK685360047621 MUH406 600 3 40 24 Select
QMARK685360047652 MUH506 600 3 50 24 Select
*This delivery time is for normal conditions and is subject to Qmark factory availability.
  Used On  
Optional Universal Wall and Ceiling Mounting Bracket:
QMARK685360102935 MMB10 MUH03,05,07&10 series Select
QMARK685360102942 MMB20 MUH15&20 series Select
QMARK685360102959 MMB30 MUH25&30 series Select
QMARK685360102966 MMB50 MUH40&50 series Select

Optional Ceiling Mounting Bracket:

QMARK685360613745 MCMB10 MUH03,05,07&10 Select
QMARK685360613752 MCMB20 MUH15&20 Select
QMARK685360631769 MCMB30 MUH25&30 Select
QMARK685360631776 MCMB50 MUH40&50 Select

Optional Vertical Ceiling Mounted Bracket:

QMARK685360614162 MVDMB5 MUH03-05 Select
QMARK685360614179 MVDMB20 MUH7-20 Select
QMARK685360634186

MVDMB50

MUH25-50 Select
Optional Accessories:
QMARK685360047041

MPDS60 / Power Disc Switch 63 Amp

MUH-07-02, MUH-07-7, MUH-07-8, MUH-10-2 ,MUH-10-7, MUH-10-8, MUH-15-2, MUH-15-8 3 only, MUH-20-2, MUH-20-8, MUH-25-2, MUH-25-4, MUH-30-4, MUH-40-4, MUH-50-4 Select
QMARK685360047034

MPDS25 / Power Disc Switch 25 Amp

MUH03-21, MUH03-41, MUH03-71, MUH03-81, MUH05-21, MUH05-41, MUH05-71, MUH05-81, MUH-07-4, MUH-10-4, MUH-15-4, MUH-20-4 Select
QMARK685360046372

MCFS / Summer Fan Switch

All MUH Series Heaters Select

Optional Thermostat Control Kits:

QMARK685360047140 MT1 / Single pole internal thermostat. Temperature range of 40-85F. Electrical rating of 25Amp; 120V, 240V AC Res. 22Amp; 277V AC Res. All MUH heaters except MUH0521 3 and MUH0581 3 which use MT2 Select
QMARK685360047157 MT2 / Two stage internal thermostat. Temperature range of 40-85F. Electrical rating of 25Amp; 120V, 240V AC Res. 22Amp; 277V AC Res. 125V.A; Pilot Duty MUH0521 3, MUH0581 3, MUH158, MUH208, MUH252, MUH302, NUH308, MUH402, MUH502, MUH504, MUH508 Select
WR10030 White-Rodgers 1E30N-910 24V Low Voltage Thermostat

Select

MARLEY10095 Honeywell T8775A1009 24 Volt Digital Thermostat All MUH's with 24V Control Voltage

Select


Qmark is a registered trademark of Marley Engineered Products.

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We are 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. © Copyright 1999-2013 Mor Electric Heating Assoc., Inc.

MOR ELECTRIC HEATING ASSOC., INC.
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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