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Electric Unit Heater, 208/240VAC, 1/3 Phase, 3.7/5.0 kW, 12.6/17 BtuH

  • Zoro #: G4974751
  • Mfr #: MUH0521


  • Temp. Rise: 45 Degrees F
  • Horizontal Air Throw: 12 ft.
  • kW: 3.7/5.0
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Qmark #MUH0521 Specifications

  • Zoro #: G4974751
  • Mfr #: MUH0521
Temp. Rise: 45 Degrees F Horizontal Air Throw: 12 ft.
kW: 3.7/5.0 Electric Heater Phase: 1/3
Phase: Single or Three Manufacturers Warranty Length: 1 yr.
Hz: 60 Housing Material: 20 ga. Steel
Width: 14" Air Flow: 350 cfm
Height: 16" Electric Heater Item: Electric Unit Heater
Switch Type: 3 Pole Item: Electric Unit Heater
Mounting Type: Vertical or Horizontal Contactor Coil Voltage: 240
Heater Mounting Type: Vertical or Horizontal Features: Enclosed Motor, Adjustable Louvers, Fan-Delay, Auto Reset
BtuH: 12.6/17 Vertical Mounting H: 9 ft.
Vertical Floor Coverage: 9 ft. Housing Finish: Polyester Powder Coated
Depth: 7-1/2" Amps AC: 18.0/21.0
Requires: Mounting Bracket, Two-Stage Thermostat Heater Voltage: 208/240VAC
Standards: UL Listed, Meet all NEC and OSHA requirements Voltage: 208/240VAC
Country of Origin (subject to change): United States
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QMARK 4800W 208V 16378 BTU/Hr 13.3 Amps ARCHITECTURAL HEAVY-DUTY WALL HEATER Heavy-duty heat doesn’t require that you settle for a boring, basic look. These architectural wall heaters feature a striking design while providing the powerful output you need to heat any room or open area.


  • An optional relay is available to connect this wall heater to your Building Management System, for centralized control of your environment.
  • The bar-stock grille design provides an architectural accent that complements designed spaces like restaurants and entranceways.
  • This unit’s built-in thermostat features tamper-resistant protection, so only authorized personnel can make adjustments to your building’s temperature levels.
  • This wall heater has a fan delay feature that waits until the unit warms up to begin blowing air into the room. The fan keeps operating until the unit cools down, so you get maximum heating performance.

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