Product Overview

TYPE FDI
FLOOR DROP-IN HEATERS
• 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).
• Both the FDI1500 and FDI1504
are adaptable from 1500W to
750W. Additionally, the FDI1504
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.
• Heavy-duty grille can take almost
any type of abuse!
• Thermostat accessory kit easily
installed in heater (screwdriver
adjusted thru grille)k. 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.
DIMENSIONS
1
5-3/4
8-3/4
7-1/4
6-5/8
5/8
1
4
7
14-5/8
7/8 DIA. KNOCKOUTS (4)
1/8 DIA.
.136 DIA.
HOLES (2)
5
SELECTION CHART
*Volts Watts BTU/Hr. Amps Cat. No.
120 1500 5120 12.5 FDI1500
750 2560 6.3
208 1125 3840 5.4
562 1920 2.7 FDI1504
240 1500 5120 6.3
750 2560 3.1
ACCESSORIES
FDI-TSP Integral Thermostat Kit (55˚-115˚F)
ARCHITECT’S AND ENGINEER’S SPECIFICATIONS*
Furnish and install, where indicated on plans, FDI electric fan
forced air heater suitable for installing in the floor as
manufactured by QMark, a Marley Engineered Products Brand,
Bennettsville, SC. Heaters shall be UL Listed and c-UL Listed.
ENCLOSURE: The heater shall be fabricated of 20-gauge cold
rolled steel, completely welded, then painted by a baked enamel
finish. The louvered grille and grille frame shall be finished in
sandalwood color by a baked enamel painting process.
HEATING ELEMENT: The heating element shall be guaranteed
for five years and shall be non-glowing design consisting of a
special 80/20 NiChrome resistance wire enclosed in a steel
sheath to which steel fins are brazed.
* QMark reserves the right to change specifications without prior notice.
MOTOR AND CONTROLS:
The fan motor shall be impedance protected and permanently
lubricated. An optional single pole thermostat accessory shall be
specified where the unit will not utilize wall thermostat. The over
temperature protector shall be bi-metallic, snap-action type
designed to shut off heater in the even of overheating. A thermal
fuse shall provide secondary thermal cut-out for added safety.
FILE #E21609
ZBL-QFDIA 03-02