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Home>Ceiling Heaters>CDF Ceiling Heaters by Qmark

Qmark / Marley CDF557 Commercial Downflow Ceiling Heater - 277 Volts; 5000 Watts

Part Number CDF557
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Qmark / Marley CDF557 Commercial Downflow Ceiling Heater - 277 Volts; 5000 Watts
Qmark CDF Series Ceiling Heater (shown without optional enclosure)
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Your Price:
Availability May Vary, Dependent on Item
Additional discounting may be available on select items - Please call us at 800-472-3292!
Choose Options
CDF Enclosure - Choose one
No Enclosure Required
Surface Mount Enclosure (+$284.70)
Recess Mount Enclosure (+$303.20)
Surface Mount Enclosure - Northern White (optional - (2 week lead-time) (+$284.70)
Recess Mount Enclosure - Northern White (2 week lead-time) (+$303.20)
CDF Thermostat
No Thermostat Required
Integral Thermostat - Field Mounted (+$116.20)
Other Accessories - More than one can be chosen

Qmark Marley Electric Ceiling Heater

Qmark / Marley CDF Series
Commercial Downflow Ceiling Heater 
277 Volts - Single Phase - 5000 Watts
Outstanding Performance In the Ceiling Or On It !!
Please note that all CDF Heaters require either a surface mount (CDFSE) or recessed (CDFRE) enclosure. This can be found by clicking the accessories link below.
Click Below for CDF Accessories
Designed Specifically For Commercial and Industrial Applications
Qmark Ceiling Heater Enclosures - SE surface enclosures are designed to mount flat on the ceiling and extend only six inches into the room; RE enclosures have no protrusions outside the recess box, allowing the heater to recess only seven inches into ceiling space. Mounts into permanent ceiling with trim ring.

Qmark Ceiling Heater Built In Fan Delay - Space temperature is controlled by a wall or unit mounted thermostat. When the thermostat calls for heat, the heating elements and fan energize. When the thermostat is satisfied, the elements shut off, but the fan continues to operate until all of the heated air is discharged. This feature avoids exposing the heater to residual heat, thus achieving a high comfort level and longer component life.

Qmark Ceiling Heater Automatic Thermal Cutout -  shuts off the heater in the event of overheating and reactivates the heater when the temperature returns to normal.

Qmark Ceiling Heater Multiple Phase / Wattage Heaters - 208 and 240 volts heaters can be field converted from single to three phase operation. 5,000 watt heaters can be field converted to 3,800 watts or 2,500 watts; the 4,000 watt heater is convertible to 3,000 or 2,000 watts.

Qmark Ceiling Heater Single Person Hands Free Installation Every heater has two installation aids unique to the industry; Spring Clips temporarily support the heater section until the mounting hardware is secured. Thumb Pins align and temporarily hold the enc