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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Qmark® Type FDI Floor Drop In Heaters

Qmark Electric Heating Products
We are an authorized distributor for Qmark®, a division of Marley Engineered Products.
  • Quiet-for living rooms, dining rooms, even bedrooms.
  • A "versatile, universal size," draft barrier heater for large window areas, sliding glass doors, entryways, hallways, open stair wells. Produces a flow pattern of warm air five feet wide (four feet above floor). Single compact size (14" length x 7 1/4" width x 6 5/8" depth).
  • Both the FDl1500 and FDl1504 are adaptable from 1500W to 750W. 
  • Additionally, the FDl1504 may be operated at 208 volts for an output of 1125W or 563W 
  • Quick, simple installation. Mounts between floor joists in either direction (parallel or perpendicular to joists). Rough-in separate housing... then simply insert "plug-in" type heater element and fan assembly.
  • Concrete accessory kit (housing pan cover and two stakes) aids installation of heater in concrete.
  • Heavy-duty grille can take almost any type abuse!
  • Thermostat accessory kit (optional) easily installed in heater (screwdriver adjusted thru grille). When heater is installed for overall room heating, use a wall thermostat.
  • Automatic overheat thermal protector and thermal fuse standard.
  • Heavy-gauge steel housing.
  • Sandalwood baked enamel grille finish.
  • 80 CFM
  • Limitations: Do not install in bathroom or other areas where water may enter heater unit. Do not locate where air flow may be obstructed (under drapes, behind doors, etc.) Keep short sides at least 3' from side walls and long side 3" min. from side walls. Do not install in ceiling or wall.
  • U.L. listed 

Qmark FDI Installation Instructions
Qmark FDI Data Sheet

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Secure Online Ordering
*Delivery time: typically ships in 1 working day or less plus the time of your selected UPS shipping method.  Your shipping cost will be displayed in your shopping cart.

Item ID Catalog# Volts Watts Price Click "Select" below to see the actual quantity in stock
QMARK685360026268 FDI1500 120 1500/750 $170.88 Select
QMARK685360026282 FDI1504 240/208 1500/750/1125/562 $170.88 Select
QMARK685360026190 FDITSP Accessory -  120 or 240 Volt - Integral Thermostat Kit $24.14 Select
Wall Mount Thermostats: (Optional)
WR10001 WR-65 1A65-641 WR-65 SPST Thermostat, 40°F to 85°F, 22 amp 120/240V, 18 amp 277V, Single Pole, wall mount $26.35 Select
WR10002 WR-66 1A66-641 WR-66 DPST Thermostat, 40°F to 85°F,  22 amp 240V, 18 amp 277V, Double Pole (D.P.S.T., Includes off position), wall mount $26.35 Select
AUBE10003 TH106 Aube Tech. 120/240V, S.P.S.T., Programmable Line Voltage Thermostat $63.67 Select
AUBE10010 TH115-A-240D Aube Tech. Double Pole, 240V Programmable Line Voltage Thermostat, 3600W @ 240 V 15 A resistive 60 Hz 4 wires / D.P.S.T. $66.17 Select

*This delivery time is for normal conditions and is subject to factory availability.

Qmark® is a registered trademark of Marley Engineered Products.


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Mor Electric Heating Assoc., Inc. is 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.

visit our other website for home/office/factory infrared heating:

MOR ELECTRIC HEATING ASSOC., INC.
5880 Alpine Ave. NWComstock Park, MI 49321  USATel 616-784-1121800-442-2581Fax 616-784-7775 E-mail sales@heatersplus.com