
PRODUCT SUBMITTAL SHEET
Capacities
1500, 2000, 3000, 3600
120, 208, 240, 277, 347 or 600V @ 1Ø or 3Ø
Thermostat Range: 40° - 90° F
Air Movement: 100 CFM
Job Name: _________________________________________________________________
Location: __________________________________________________________________
Architect: __________________________________________________________________
Engineer: __________________________________________________________________
Contractor: ________________________________________________________________
Submitted By: ______________________________________________________________
Date: _____________________________________________________________________
Item QTY
Number
Catalog
4000 or 4800 Watts
Tag Watts Volts PH AMPS Weight
LFK SERIES
FANFORCED WALL HEATERS
Submitted By: Date:
Approved By: Date:
ACCESSORIES
Item QTY
Number
470 Beauty Spot Road East
Bennettsville, South Carolina 29512
www.marleymep.com
Part
Tag
ZSS-QLFKO | 9-2014

Catalog Number Volts Amps Watts Phase BTU/HR
LFK151F
LFK204F
LFK303F
LFK304F
LFK306F
LFK403F
LFK404F
LFK406F
LFK408F
LFK483F
LFK484F
LFK486F
LFK4083F
LFK487F
LFK488F
LFK4883F
120
240/208
347
240
600
347
240/208
600
208
347
240/208
600
208
277/240
208
208
12.5
8.3/7.2
8.6
12.5
5.0
11.5
16.7/14.4
6.7
19.2
13.8
20/17.3
8.0
11.1
17.3/15
23.1
13.3
1500
2000/1500
3000
3000
3000
4000
4000/3000
4000
4000
4800
4800/3600
4800
4000
4800/3600
4800
4800
1
1
1
1
1
1
1
1
1
1
1
1
3
1
1
3
1705
6820/1705
10,230
10,230
10,230
13,640
13,640/10,230
13,640
13,640
16,638
16,638/12,276
16,638
13,640
16,638/12,276
16,638
16,638
Accessories
LFKSM Surface mounting frame for surface installations. 3-13/16” deep
LFKS1 1” deep sur face mounting frame for semi-recessed installation
LFKS2 2” deep sur face mounting frame for semi-recessed installation
LFKSFC 14 gauge security front cover
14-5/16”
(364mm)
15-3/4”
(400mm)
19-5/16”
(490mm)
1-1/4” (32 mm)
18-1/4”
(490mm)
3-7/8”
(99mm)
ARCHITECT’S AND ENGINEER’S SPECIFICATIONS*
The heating equipment shall include an electric automatic
fan forced air heater suitable for small area heating, as
manufactured by QMark®, a Marley Engineered Products®
Brand, Bennettsville, SC. The heater shall be designed for wall
mounting, recess or surface. Heaters shall be cETLus listed.
BACK BOX: The back box shall be designed as a recessed
rough-in box in either masonry or frame installations and is
also used when surface mounting frames are used in surface
mounting installations. The back box shall be heavy gauge
galvanized steel and shall contain knockouts through which
power leads enter.
INNER FRAME ASSEMBLY: The heater assembly, which ts
into the back box, shall consist of a heavy gauge steel fan
panel to which all of the operational parts of the heater are
mounted. The inner frame assembly shall be completely prewired.
HEATING ELEMENT: The heating element shall be of the
non-glowing design consisting of an 80/20 nickel-chromium
resistance wire enclosed in a steel sheath to which plate ns
are copper brazed. The element shall cover the entire air
discharge area to ensure uniform heating of all discharged air.
It shall be warrantied for 5 years.
MOTOR AND CONTROLS: The fan motor shall be totally
enclosed, impedance protected, permanently lubricated and
with a totally enclosed rotor. Fan control shall be of the bimetallic, snap-action type and shall activate fan after heating
element reaches operating temperature, and continue to
operate the fan after the thermostat is satised and until
all heated air has been discharged. The thermostat shall be
single-pole type on all models. Thermal cutout shall be bimetallic, snap-action type designed to shut o heat in the
event of overheating. The fan shall be ve-bladed aluminum.
SURFACE MOUNTING FRAME: The surface mounting frame
shall be of heavy gauge steel designed to mount around the
back box for a nished surface installation. Slot knock outs
shall be provided for power supply conduit.
FRONT COVER: The louvered front cover shall be of heavy
gauge steel with a powder paint nish. A plug button will be
provided to replace the thermostat knob and render the unit
tamper-resistant.
FINISH: All sheet metal parts, except the galvanized steel
back box, shall be phosphatized, then completely painted by a
powder paint process.
*In the interest of continual improvements in product and performance,
Marley Engineered Products reserves the right to change specications
without notice.
ZSS-QLFKO | 9-2014