5
DES3
Series
Model
Number
Gas T
ype
(Select One)
BTU/h
Straight
Length
U-T
ube Length
Standar
d
W
eight (lbs.)
Recommended
Mounting
Height^
Comb
ustion
Chamber(s)
(Blac
k Coated)
Radiant
Emitter T
ube(s)
(Uncoated)
Radiant
Surface Area
(sq.
ft.)
36
” B
af
fle
Q
ua
nt
ity
DES3-20-50
N or LP
50,000
21’-9”
13’-1”
120
9’ to 14’
Alum
HRT
20.2
5
DES3-20-60
N or LP
60,000
21’-9”
13’-1”
120
10’ to 15’
Alum
HRT
20.2
5
DES3-20-75
N or LP
75,000
21’-9”
13’-1”
120
11’ to 18’
Alum
HRT
20.2
5
DES3-30-50
N or LP
50,000
31’-5”
**17’-9”
160
10’ to 15’
Alum
HRT
30.4
5
DES3-30-60
N or LP
60,000
31’-5”
**17’-9”
160
11’ to 18’
Alum
HRT
30.4
5
DES3-30-75
N or LP
75,000
31’-5”
**17’-9”
160
12’ to 20’
Alum
HRT
30.4
5
DES3-30-100
N or LP
100,000
31’-5”
**17’-9”
160
13’ to 23’
Alum
HRT
30.4
5
DES3-30-125
N or LP
125,000
31’-5”
**17’-9”
160
14’ to 25’
Alum
HRT
30.4
5
DES3-40-50
N or LP
50,000
41’-1”
22’-9”
190
11’ to 18’
Alum
HRT
40.5
5
DES3-40-60
N or LP
60,000
41’-1”
22’-9”
190
11’ to 18’
Alum
HRT
40.5
5
DES3-40-75
N or LP
75,000
41’-1”
22’-9”
190
12’ to 20’
Alum
HRT
40.5
4
DES3-40-100
N or LP
100,000
41’-1”
22’-9”
190
13’ to 23’
Alum
HRT
40.5
4
DES3-40-125
N or LP
125,000
41”-1”
22’-9”
190
14’ to 25’
Alum
HRT
40.5
5
DES3-40-150
N or LP
* 150,000
41”-1”
22’-9”
190
15’ to 27’
Titan/Alum
HRT
40.5
5
DES3-50-100
N or LP
100,000
50’-9”
**27’-5”
235
15’ to 27’
Alum
HRT
50.6
2
DES3-50-125
N or LP
125,000
50’-9”
**27’-5”
235
15’ to 27’
Alum
HRT
50.6
3
DES3-50-150
N or LP
* 150,000
50’-9”
**27’-5”
235
16’ to 30’
Titan/Alum
HRT
50.6
3
DES3-50-175
N or LP
* 175,000
50’-9”
**27’-5”
235
17’ to 35’
Titan/Alum
HRT
50.6
3
DES3-50-200
N or LP
* 200,000
50’-9”
**27’-5”
235
18’ to 40’
Titan/Alum
HRT
50.6
2
DES3-60-125
N or LP
125,000
60’-5”
32’-5”
265
16’ to 30’
Alum
HRT
60.7
2
DES3-60-150
N or LP
* 150,000
60’-5”
32’-5”
265
17’ to 35’
Titan/Alum
HRT
60.7
2
DES3-60-175
N or LP
* 175,000
60’-5”
32’-5”
265
17’ to 35’
Titan/Alum
HRT
60.7
2
DES3-60-200
N or LP
* 200,000
60’-5”
32’-5”
265
18’ to 40’
Titan/Alum
HRT
60.7
2
DES3-70-200
N or LP
*200,000
70’ - 1”
**37’-3”
300
19’ to 42’
Titan/Alum
HRT
70.9
2
* Model requires stainless steel tube clamp (P/N: TP-220) to be located at the seam between the primary
combustion chamber and the secondary combustion tube downstream of the burner control box.
** Model requires 5EA-SUB accessory package when installing in a ‘U’ configuration (P/N: TF1B).
Product Specifications
Chart 1.1 •
DES3 Series Specifications
1.0
Introduction
•
Product Specifications
HRT = Uncoated hot-rolled steel.
Alum= Black coated aluminized treated steel.
Titan = Black coated titanium stabilized aluminized steel.
