Therm-Coil Mfg
Commercial & Industrial
Range & Water Heating
Elements & Controls
Therm-Coil Mfg Therm-Coil Mfg
Open Wire Coils
Special Heating Elements
and Controls
Phone: 1-800-872-5007
Fax: 724-872-0112
Email: Inquiry@thermcoil.com
580 Plummer School Road
PO Box 326
West Newton, Pa 15089

Finned Duct Heaters Type FDH

Finned Duct Heater
Catalog Number Voltage Phase KW # of
Circuits
A B C Sheath
Material
Air
Velocity
Maximum
Output Air
Temp.
Iron
Sheath*
Chrome Steel
Sheath**
FDH-62
FDHH-62
FDH-611
FDHH-611
120, 208, 240
480
1 or 3 6 1 10-3/4 15-7/8 11-1/12 IRON 9 Ft./Sec.
16 Ft./Sec.
90F
220F
FDH-122
FDHH-122
FDH-1211
FDHH-1211
208, 240, 480 1 or 3 12 1 15-3/8 18-1/2 14-1/8 CHROME
STEEL
4 Ft./ Sec.
9 Ft./Sec.
16 Ft./Sec.
190F
330F
440F
FDH-152
FDHH-152
FDH-1511
FDHH-1511
208, 240, 480 1 or 3 15 1 15-3/8 21-5/8 17-1/4 *Iron Sheath for temperatures to 750F.
FDH--202
FDHH-202
FDH-2011
FDHH-2011
208 & 240
480 ONLY
3
1 or 3
20 1 20-1/8 21-5/8 17-1/4 **Chrome Steel Sheath for temperatures to 950F.
FDH-252
FDHH-252
FDH-2511
FDHH-2511
208 & 240
480 ONLY
3
1 or 3
25 1 20-1/8 26-1/8 21-3/4
FDH-402
FDHH-402
FDH-4011
FDHH-4011
208 & 240
480 ONLY
3
1 or 3
40 2 29-1/2 27-3/8 23
FDH-502
FDHH-502
FDH-5011
FDHH-5011
208 & 240
480 ONLY
3
1 or 3
50 2 29-1/2 33-1/8 28-3/4
FDH-752
FDHH-752
FDH-7511
FDHH-7511
208 & 240
480 ONLY
3
1 or 3
75 3 44-7/16 42-1/8 37-3/4
FDH-1002
FDHH-1002
FDH-10021
FDHH-10021
208 & 240
480 ONLY
3
1 or 3
100 3 44-7/16 47-1/2 43-1/8