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  • 257608071.jpg257608072.jpg
    QMARK
    QMARK MD26 Double Pole Wall Mount Thermostat 22 Amp at 120 to 240 Volt 18 Amp at 277 Volt
    SKU: MD26
    Product DescriptionThe QMARK MD26 is a double pole wall mount thermostat that operates at 22 amps for voltages of 120 to 240 and 18 amps for 277 volts. This line voltage thermostat uses a snap action design for improved durability and features a differential...
    $43.69
    $43.69
  • QMARK MPDS25 UNIT HEATERS
    QMARK
    Qmark MPDS25 SWITCH DISC 24A 3POLE Heating Unit Heater
    SKU: MPDS25
    Product DescriptionThe Qmark MPDS25 is a powerful unit heater designed for spaces requiring significant heating capability. This model supports both primary heating and can seamlessly integrate with existing ductwork or be used independently. Its specialized design allows it to fit into tight spaces. Field-installable...
    $14.99
    $14.99
  • QMARK MPDS60 DISCONNECT SWITCHES
    QMARK
    Qmark MPDS60 60A Disconnect Switch Unit Mounted
    SKU: MPDS60
    Product DescriptionThe Qmark MPDS60 is a 60 amp disconnect switch designed for versatile heating applications. This unit mounted switch operates within a voltage range of two hundred eight to six hundred volts AC, suitable for both one-phase and three-phase power systems. Ideal for use...
    $14.99
    $14.99
  • QMARK MRFS-1 FAN CONTROL BOARDS
    QMARK
    QMark MRFS1 Remote Summer-Winter Fan Switch Line Voltage
    SKU: MRFS-1
    Product Description The QMark MRFS1 Remote Summer-Winter Fan Switch is designed to control fan settings intuitively. Suitable for use with line voltage configurations, this switch provides an easy way to switch between summer and winter fan settings. Efficient fan control Suitable for line voltage...
    $14.99
    $14.99
  • QMARK MUH-35 FURNACE CONTROL BOARDSQmark MUH-35 240/208V 5000/3750W LINE 2
    QMARK
    Qmark MUH-35 240/208V 5000/3750W LINE 2
    SKU: MUH-35
    Product DescriptionThe Qmark MUH-35 is an effective heating unit designed to provide primary or spot heating in various settings such as factories, warehouses, garages, and open areas. This unit heater operates at both two hundred forty volts and two hundred eight volts, delivering power...
    $14.99
    $14.99
  • QMARK MUH0321 UNIT HEATERS
    QMARK
    Qmark MUH0321 Electric Unit Heater 3KW 240V
    SKU: MUH0321
    Product DescriptionThe Qmark MUH0321 is a versatile electric unit heater designed for effective heating in various industrial settings. This unit operates on three kilowatts at two hundred forty volts. Suitable for installation in factories, warehouses, garages, and stairwells, it ensures a reliable heating solution....
    $14.99
    $14.99
  • QMARK MUH0341 UNIT HEATERS
    QMARK
    Qmark MUH0341 480 Volt 3 kW Horizontal/Downflow Unit Heater
    SKU: MUH0341
    Product DescriptionThe Qmark MUH0341 is a unit heater designed for use in industrial settings. It operates on four hundred eighty volts and provides three kilowatts of heating power. This heater is suitable for locations such as factories, warehouses, garages, and power stations. Its robust...
    $14.99
    $14.99
  • QMARK MUH0341 WATER HEATERS
    QMARK
    Qmark MUH0341 Marley MUH0341 480 Volt 3 kW 3-Phase Horizontal/Downflow Unit Heater
    SKU: MUH0341
    Product DescriptionThe Qmark MUH0341 is a 480 Volt, 3 kW, 3-Phase horizontal/downflow unit heater designed for industrial settings. It is ideal for installation in areas such as factories, warehouses, garages, stairwells, power stations, and mechanical rooms. This unit provides reliable heating in loading docks...
    $1,226.44
    $1,226.44
  • QMARK MUH0371 UNIT HEATERSQmark MUH0371 Horizontal/Downflow Electric Unit Heater 277-Volt 3000-Watt 1-Phase
    QMARK
    Qmark MUH0371 Horizontal/Downflow Electric Unit Heater 277-Volt 3000-Watt 1-Phase
    SKU: MUH0371
    Product DescriptionThe Qmark MUH0371 is a versatile electric unit heater, designed for both horizontal and downflow applications. Ideal for a range of industrial settings, this unit can be installed in factories, warehouses, garages, stairwells, power stations, and mechanical rooms. Its powerful 3000-watt capacity makes...
    $14.99
    $14.99
  • QMARK MUH0371 WATER HEATERS
    QMARK
    Qmark MUH0371 Marley MUH0371 277 Volt 3 kW 1-Phase Horizontal/Downflow Unit Heater
    SKU: MUH0371
    Product DescriptionThe Qmark MUH0371 is a unit heater rated at 277 volts and three kilowatts. It is designed for use in industrial environments, making it suitable for factories, warehouses, garages, and power stations. The heater can be installed in various configurations, ensuring flexibility for...
    $976.33
    $976.33
  • 259274749.jpg
    QMARK
    QMARK MUH0381 Electric Unit Heater 208V 1PH 3KW
    SKU: MUH0381-CL
    Product DescriptionThe QMARK MUH0381 is an electric unit heater designed for efficient heating in various settings. This model operates at 208 volts and is single-phase with a power output of three kilowatts. It is suitable for use in workshops, garages, and warehouses, providing reliable...
    $698.30
    $698.30
  • QMARK MUH0521 WATER HEATERS
    QMARK
    Qmark MUH0521 Horizontal/Downflow Unit Heater 208/240 Volt 5 kW at 240 Volt 3.7 kW at 208 Volt
    SKU: MUH0521
    Product DescriptionThe Qmark MUH0521 is a horizontal and downflow unit heater designed for use in industrial environments. It operates on 208 to 240 volts with a wattage output of five thousand watts at two hundred forty volts and three thousand seven hundred fifty watts...
    $948.78
    $948.78
  • QMARK MUH0521 UNIT HEATER PARTS
    QMARK
    Qmark MUH0521 Unit Heater 240V 5 kW Replacement MPN
    SKU: MUH0521
    Product Description The Qmark MUH0521 is a durable unit heater designed for both horizontal and downflow applications, operating at two voltage levels: 208 volts at 3.7 kilowatts and 240 volts at 5 kilowatts. This unit is well-suited for industrial environments such as factories, warehouses,...
    $14.99
    $14.99
  • QMARK MUH0521-PRO UNIT HEATERS
    QMARK
    Qmark MUH0521-PRO Unit Heater 240/208V 5kW
    SKU: MUH0521-PRO
    Product DescriptionThe Qmark MUH0521-PRO is a robust unit heater designed for efficient heating in industrial environments. This model integrates a pre-installed disconnect switch, a 24V transformer, and a thermostat for precise temperature control. Built to support both single and three-phase power systems at 208...
    $14.99
    $14.99
  • QMARK MUH0541 WATER HEATERS
    QMARK
    Qmark MUH0541 Wall Ceiling Unit Heater 480 Volt 5 kW 3-Phase
    SKU: MUH0541
    Product DescriptionThe Qmark MUH0541 is a 480 Volt, 5 kW, 3-phase unit heater designed for industrial use. This heater is versatile enough for installation in various locations such as factories, warehouses, garages, power stations, and stairwells. Its heating capacity makes it an efficient solution...
    $1,318.94
    $1,318.94
  • QMARK MUH0571 UNIT HEATERS
    QMARK
    Qmark MUH0571 Electric Unit Heater 277 Volt 5 kW 1-Phase Horizontal/Downflow Unit Heater
    SKU: MUH0571
    Product DescriptionThe Qmark MUH0571 is a unit heater that operates at 277 volts and provides five kilowatts of heating power. Ideal for industrial locations, this horizontal and downflow heater can be installed in various settings including factories, warehouses, and garages. Its design facilitates efficient...
    $14.99
    $14.99
  • QMARK MUH0581 WATER HEATERS
    QMARK
    Qmark MUH0581 Marley 208 Volt 5 kW 1/3-Phase Horizontal/Downflow Unit Heater
    SKU: MUH0581
    Product DescriptionThe Qmark MUH0581 is a durable unit heater designed for heating industrial spaces. It operates at two hundred eight volts and delivers five kilowatts of heating power, making it suitable for warehouses, factories, and garages. Can be installed as a horizontal or downflow...
    $980.46
    $980.46
  • QMARK MUH072 WATER HEATERS
    QMARK
    Qmark MUH072 Marley MUH072 208/240 Volt 7.5 kW at 240 Volt 5.6 kW at 208 Volt 1/3-Phase Horizontal/Downflow Unit Heater
    SKU: MUH072
    Product DescriptionThe Qmark MUH072 is a robust unit heater designed for both horizontal and vertical mounting. With a power rating of seven point five kilowatts at two hundred forty volts and five point six kilowatts at two hundred eight volts, this heater is ideal...
    $1,451.61
    $1,451.61
  • QMARK MUH072 UNIT HEATERSQmark MUH072 Self-Contained Unit Heater for Factories Warehouses, Garages, Loading Docks, and Industrial Settings, 7500 Watt, 240 Volt
    QMARK
    Qmark MUH072 Self-Contained Unit Heater for Factories Warehouses, Garages, Loading Docks, and Industrial Settings, 7500 Watt, 240 Volt
    SKU: MUH072
    Product DescriptionThe Qmark MUH072 Self-Contained Unit Heater offers efficient heating solutions for hard-to-heat spaces like factories, warehouses, garages, loading docks, and industrial settings. This powerful unit operates at 7500 watts and 240 volts, providing robust heating performance. Effective for use in industrial applications Features...
    $14.99
    $14.99
  • QMARK MUH074 UNIT HEATERSQmark MUH074 Electric Unit Heater 480VAC 7.5 kW 3 Phase
    QMARK
    Qmark MUH074 Electric Unit Heater 480VAC 7.5 kW 3 Phase
    SKU: MUH074
    Product DescriptionThe Qmark MUH074 Electric Unit Heater operates at 480 volts and delivers an output of seven point five kilowatts. This unit is designed for both vertical and horizontal mounting, making it suitable for various environments. It is ideal for use in factories, warehouses,...
    $14.99
    $14.99
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