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QMARK

QMARK is a brand of electric heating equipment, primarily focused on unit heaters and related accessories for commercial and industrial spaces. The product line includes standard suspended electric wall and ceiling unit heaters, recessed and drop-in panel fan-forced electric ceiling heaters, and mounting brackets and frames. QMARK heaters are available in a range of voltages (208/240 V, 277 V, 480 V) and phases (1-phase and 3-phase), with wattage outputs varying by model. The MUH-Pro series, for example, integrates a pre-installed disconnect switch, 24 VAC transformer, and single-stage thermostat, simplifying installation and control. Other models like the MUH154 and MUH107 are standard suspended units without these integrated controls, offering flexibility for different application requirements. The CDF557RE ceiling panel heater provides selectable wattage (2500W/3800W/5000W) and is designed for recessed mounting, suitable for spaces where ceiling height or aesthetics are considerations. Mounting frames such as the QSF2424 are available for surface-mounting specific heater models, ensuring proper fit and support. QMARK products are built to standard industrial specifications, with dimensions and electrical ratings clearly defined for each model. 3G Electric supplies a range of QMARK heaters and accessories, with over 160 SKUs available globally. The catalog includes datasheets and specifications to assist engineers and procurement specialists in selecting the correct unit for their heating load, voltage supply, and mounting configuration. Logistics support covers international shipping, and the product range is suitable for applications in warehouses, factories, commercial buildings, and other facilities requiring reliable electric heating.

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About QMARK

QMARK is a brand of electric heating equipment, primarily focused on unit heaters and related accessories for commercial and industrial spaces. The product line includes standard suspended electric wall and ceiling unit heaters, recessed and drop-in panel fan-forced electric ceiling heaters, and mounting brackets and frames. QMARK heaters are available in a range of voltages (208/240 V, 277 V, 480 V) and phases (1-phase and 3-phase), with wattage outputs varying by model. The MUH-Pro series, for example, integrates a pre-installed disconnect switch, 24 VAC transformer, and single-stage thermostat, simplifying installation and control. Other models like the MUH154 and MUH107 are standard suspended units without these integrated controls, offering flexibility for different application requirements. The CDF557RE ceiling panel heater provides selectable wattage (2500W/3800W/5000W) and is designed for recessed mounting, suitable for spaces where ceiling height or aesthetics are considerations. Mounting frames such as the QSF2424 are available for surface-mounting specific heater models, ensuring proper fit and support. QMARK products are built to standard industrial specifications, with dimensions and electrical ratings clearly defined for each model. 3G Electric supplies a range of QMARK heaters and accessories, with over 160 SKUs available globally. The catalog includes datasheets and specifications to assist engineers and procurement specialists in selecting the correct unit for their heating load, voltage supply, and mounting configuration. Logistics support covers international shipping, and the product range is suitable for applications in warehouses, factories, commercial buildings, and other facilities requiring reliable electric heating.

Common Applications

  • Warehouse heating — QMARK MUH-Pro series suspended unit heaters for large open spaces with 208/240 V or 480 V supply.
  • Commercial building lobbies — QMARK CDF557RE recessed ceiling panel heaters for discreet, fan-forced heating.
  • Industrial workshops — QMARK MUH154 standard suspended heater for 480 V, 3-phase applications requiring high heat output.
  • Retail storefronts — QMARK MUH107 wall-mounted heater for 277 V, 1-phase circuits in ceiling or wall installations.
  • Manufacturing facilities — QMARK MUH102-PRO with integrated controls for simplified installation in multi-zone heating systems.
  • Office partitions — QMARK QSF2424 mounting frame for surface-mounting 54UD25 heaters in areas with limited ceiling access.

Frequently asked questions

Common questions about QMARK from 3G Electric.

What voltage and phase options are available for QMARK MUH-Pro series heaters?

The QMARK MUH-Pro series is available in 208/240 V, 1 or 3-phase configurations, as well as 480 V, 3-phase models. Specific part numbers like MUH072-PRO and MUH102-PRO support 208/240 V, while MUH104-PRO and MUH0541-PRO are designed for 480 V, 3-phase. Always verify the voltage and phase of your supply before selecting a model.

Does the QMARK MUH-Pro heater include a thermostat and disconnect switch?

Yes, the MUH-Pro series comes with a pre-installed disconnect switch, a 24 VAC transformer, and a single-stage thermostat. This integrated design reduces the need for additional field-installed components, simplifying installation and control. The thermostat allows for basic on/off temperature regulation.

What is the difference between QMARK standard suspended heaters and the MUH-Pro series?

Standard suspended QMARK heaters, such as the MUH154 and MUH107, are basic unit heaters without integrated controls. They require external thermostats, contactors, and disconnect switches. The MUH-Pro series includes these components pre-installed, offering a more complete solution for applications where integrated control is preferred.

Can QMARK ceiling panel heaters be recessed or surface-mounted?

The QMARK CDF557RE is a recessed and drop-in panel fan-forced electric ceiling heater. It is designed for recessed mounting into a ceiling grid or opening. For surface mounting, QMARK offers mounting frames like the QSF2424, which is used with specific wall and ceiling heater models.

What are the dimensions of the QMARK MUH072-PRO heater?

The QMARK MUH072-PRO has overall dimensions of 19 inches in height, 21.75 inches in width, and 7.5 inches in depth. These dimensions are typical for the MUH-Pro series, though smaller models like the MUH0541-PRO measure 16 inches by 14 inches by 7.5 inches.

Is the QMARK QSF2424 mounting frame compatible with all QMARK heaters?

No, the QMARK QSF2424 mounting frame is specifically designed for use with the 54UD25 electric wall and ceiling heater. It is a surface-mount frame with outside dimensions of 24 inches by 24 inches. For other heater models, consult the product specifications to ensure compatibility.