40
Features
Accessories
Product Specifications
Standard Models
4400 Series Low Profile Commercial Fan Forced Wall Heater - With Wall Box
Accessories
Standard Models
Manufactured in U.S.A.
Manufactured in U.S.A.
Furnish and install Heavy-Duty Forced Air wall heaters, where specified. The heaters
shall be constructed of a heavy 18 gauge steel housing with an extruded Aluminum
frame. The rough-in dimensions are 19-7/16” High x 14-3/16” Wide x 4” Deep. The
units shall be available in ratings from 750 to 4800 Watts at 240, 208, and 277 Volts.
The heaters shall have a low-speed 600 RPM, 4-pole motor which drives a vane axial
blower to deliver a quiet 175 CFM of down flow air. The heating element shall be
of the sealed tubular type with large, parallel steel fins
for quick heat transfer. Unit shall have as a standard,
a thermal overload cut-off for added safety, fan delay
switch and built-in tamper proof thermostat which shall
be calibrated to provide a range of 55°F. to 85°F. and
manual disconnect switch.
Optional accessories shall include a surface and semi-
recess mounting adapter. All heaters shall be listed by
ETL. The heating element shall be supplied with a
manufactures 1-year limited warranty.
Disconnect switch.
Built-In tamper proof thermostat.
Automatic fan delay circuit.
Powder coated 18 gauge steel grill with extruded Aluminum front frame.
Automatic reset thermal limit.
• Steel block fin element.
Vane axial fan blade:
600 RPM motor; 175 CFM
Rough-in dimensions:
14-3/16” Wide x 19-7/16” High x 4” Deep
Grill dimensions:
15-29/32” Wide x 20-27/32” High
Powder coated 20
gauge steel front
with extruded
Aluminum frame.
Manual reset
thermal limit.
Finned tubular
steel element.
Propeller style fan blade - 2200 RPM/70 CFM
Weight 9 lbs.
Rough in dimensions:
14 1/2” Wide x 7 1/8” High x 3 1/2” Deep
Grill dimensions:16 7/8” Wide x 8” High
Unit not approved for ceiling mount applications.
Unit can be positioned to allow left, right or top
discharge.
Note: Please see page 60 for custom color availability - add 10% to net heater cost.
UPC MODEL VOLTS WATTS
MAX AMPS LIST
686334
BTU’S
DOUBLE POLE IN-BUILT THERMOSTAT (RANGE 50º - 90º F)
328326 F4420T2RP 208
2000
6826
9.6
315
328333 HF4475T2RP
240/208
750 / 562 2560 / 1920 3.1 / 2.7
328340 HF4410T2RP
1000 / 750 3413 / 2560 4.2 / 3.6
328357 HF4415T2RP
1500 / 1125 5120 / 3840 6.3 / 5.4
328364 HF4420T2RP
2000 / 1500 6826 / 5120 8.3 / 7.2
SINGLE POLE IN-BUILT THERMOSTAT (RANGE 50º - 90º F)
328371 E4475TRP
120
750
2560
6.25
296
328388 E4410TRP
1000
3413
8.33
328395 E4415TRP
1500
5120
12.5
328401 F4420TRP 208
2000
6826
9.6
UPC MODEL
DESCRIPTION
WT. LIST
686334
LBS.
329910 4400EX8
1” SEMI RECESSING EXTENDER
2 44
329903 4400EX16
2” SEMI RECESSING EXTENDER
3 47
329897 4400EX32
4” SURFACE MOUNTING FRAME
4 49
328449 4300PB WALL PLATE ADAPTOR (OD 21.5”x12.25”)
1 32
UPC#
686334 MODEL WATTS
BTU’s
VOLTS AMPS WT.
LBS. LIST
IN-BUILT SINGLE POLE TAMPERPROOF THERMOSTAT (50º - 90º TEMPERATURE RANGE)
FOR DOUBLE POLE THERMOSTAT REPLACE “T” IN MODEL NUMBER WITH “T2” -- Add $50
382052 E3321TD-RP 750
2560
120
6.25
26
637
381994 E3322TD-RP 1000
3413
8.3
380881 E3323TD-RP 1500
5120
12.5
638
380935 F3326TD-RP 4000
13800
208
19.2
648
381024 F3327TD-RP 4800
16560
23
681
380942 HF3323TD-RP 1500 / 1125 5120 / 3840
240 /
208
6.2 / 5.4
648
380959 HF3324TD-RP 2000 / 1500 6284 / 5120
8.3 / 7.2 27
380966 HF3325TD-RP 3000 / 2250 10350 / 7763
12.5 /10.8
29
380973 HF3326TD-RP 4000 / 3000 13800 / 10350
16.7/14.4
381031 H3327TD-RP 4800
16560
240
20
674
380980 G3323TD-RP 1500
5120
277
4.1
26
647
380997 G3324TD-RP 2000
6284
7.2
27
381000 G3325TD-RP 3000
10350
10.8
29
381017 G3326TD-RP 4000
13800
14.4
381048 G3327TD-RP 4800
16560
17.3
667
398077 J3326TD-RP 4000
13800
208 11.11
30
780
398084 J3327TD-RP 4800
16560
13.33
820
398091 K3326TD-RP 4000
13800
240
9.64
780
398107 K3327TD-RP 4800
16560
11.57
820
International Models
396424 M3324TD-RPi 3360/1680 11468/5734 220 15.3/7.64 27 648
396437 M3325TD-RPi 4032/2016 13761/6881
18.3/9.16
UPC
686334 MODEL DESCRIPTION TYPE WT.
lbs. LIST
377850 BOX 3310 Additional Rough-in
Box
Field
Installed
3 99
378451 3320EX33 4” Surface Mounting
Frame
1 90
382939 3320EX16 2” semi recess
extender
1 77
----- Suffix - HD 16 Gauge Steel
Heavy Duty Grill
Factory
Installed 2 99
3320 Series Commercial Fan Forced Wall Heater
