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DES3
Series
Product Specifications
Chart 1.1 •
DES3 Series Specifications
DES3-20-50
N or LP
DES3-20-60
N or LP
DES3-20-75
N or LP
DES3-30-50
N or LP
DES3-30-60
N or LP
DES3-30-75
N or LP
DES3-30-100
N or LP
DES3-30-125
N or LP
DES3-40-50
N or LP
DES3-40-60
N or LP
DES3-40-75
N or LP
DES3-40-100
N or LP
DES3-40-125
N or LP
DES3-40-150
N or LP
DES3-50-100
N or LP
DES3-50-125
N or LP
DES3-50-150
N or LP
DES3-50-175
N or LP
DES3-50-200
N or LP
DES3-60-125
N or LP
DES3-60-150
N or LP
DES3-60-175
N or LP
DES3-60-200
N or LP
DES3-70-200
N or LP
*
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).
HRT = Uncoated hot-rolled steel.
Alum= Black coated aluminized treated steel.
Titan = Black coated titanium stabilized aluminized steel.
50,000
21'-9"
13'-1"
60,000
21'-9"
13'-1"
75,000
21'-9"
13'-1"
50,000
31'-5"
**17'-9"
60,000
31'-5"
**17'-9"
75,000
31'-5"
**17'-9"
100,000
31'-5"
**17'-9"
125,000
31'-5"
**17'-9"
50,000
41'-1"
22'-9"
60,000
41'-1"
22'-9"
75,000
41'-1"
22'-9"
100,000
41'-1"
22'-9"
125,000
41"-1"
22'-9"
* 150,000
41"-1"
22'-9"
100,000
50'-9"
**27'-5"
125,000
50'-9"
**27'-5"
* 150,000
50'-9"
**27'-5"
* 175,000
50'-9"
**27'-5"
* 200,000
50'-9"
**27'-5"
125,000
60'-5"
32'-5"
* 150,000
60'-5"
32'-5"
* 175,000
60'-5"
32'-5"
* 200,000
60'-5"
32'-5"
*200,000
70' - 1"
**37'-3"
1.0
Introduction
120
9' to 14'
Alum
120
10' to 15'
Alum
120
11' to 18'
Alum
160
10' to 15'
Alum
160
11' to 18'
Alum
160
12' to 20'
Alum
160
13' to 23'
Alum
160
14' to 25'
Alum
190
11' to 18'
Alum
190
11' to 18'
Alum
190
12' to 20'
Alum
190
13' to 23'
Alum
190
14' to 25'
Alum
190
15' to 27'
Titan/Alum
235
15' to 27'
Alum
235
15' to 27'
Alum
235
16' to 30'
Titan/Alum
235
17' to 35'
Titan/Alum
235
18' to 40'
Titan/Alum
265
16' to 30'
Alum
265
17' to 35'
Titan/Alum
265
17' to 35'
Titan/Alum
265
18' to 40'
Titan/Alum
300
19' to 42'
Titan/Alum
5
•
Product Specifications
HRT
20.2
5
HRT
20.2
5
HRT
20.2
5
HRT
30.4
5
HRT
30.4
5
HRT
30.4
5
HRT
30.4
5
HRT
30.4
5
HRT
40.5
5
HRT
40.5
5
HRT
40.5
4
HRT
40.5
4
HRT
40.5
5
HRT
40.5
5
HRT
50.6
2
HRT
50.6
3
HRT
50.6
3
HRT
50.6
3
HRT
50.6
2
HRT
60.7
2
HRT
60.7
2
HRT
60.7
2
HRT
60.7
2
HRT
70.9
2
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