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8
Inside diameter
Bolt circle diameter
Length
BTU rating
Weight
Maximum fuel flow (GPH)
Orifice
Modulating valve bypass orifice
Minimum operating pressure
Maximum operating pressure
Minimum line size
Maximum fuel flow (CFH)
Orifice
Modulating valve bypass orifice
Minimum operating pressure
Maximum operating pressure
Minimum line size
Maximum fuel flow (CFH)
Orifice
Modulating valve bypass orifice
Minimum operating pressure
Maximum operating pressure
Minimum line size
All models
Liquid models
Vapor models
Natural gas
models
18"
18.5/16"
19.7/16"
22"
1400000
81
N/A
N/A
N/A
N/A
N/A
N/A
585
5/32"
Green
2
20
1/2"
1473
1/4"
Blue
1
7
3/4"
24"
24.1/4"
25.3/4"
22.1/2"
2100000
110
23
3/16"
Blue
2
20
3/8"
877
3/16"
Blue
2
20
3/4"
2210
5/16"
Aluminum
1
7
1"
26"
26.5/16"
27.15/16"
22.1/4"
2700000
115
30
7/32"
Blue
2
20
3/8"
1128
7/32"
Blue
2
20
3/4"
2842
23/64"
Aluminum
1
7
1.1/4"
28"
28.1/8"
29.5/8"
25.1/4"
3000000
140
34
15/64"
Aluminum
2
20
3/8"
1253
15/64"
Aluminum
2
20
3/4"
3157
3/8"
Aluminum
1
7
1.1/4"
HIGH TEMPERATURE HEATER SPECIFICATIONS
All models
Vapor models
Natural gas
models
Inside diameter
Bolt circle diameter
Length
BTU rating
Weight
Maximum fuel flow (GPH)
Orifice
Modulating valve bypass orifice
Minimum operating pressure
Maximum operating pressure
Minimum line size
Maximum fuel flow (CFH)
Orifice
Modulating valve bypass orifice
Minimum operating pressure
Maximum operating pressure
Minimum line size
18"
18.5/16"
19.7/16"
22"
400000
81
167
5/64"
Red
2
20
3/8"
421
9/64"
Yellow
1
7
1/2"
24"
24.1/4"
25.3/4"
22.1/2"
500000
110
292
3/32"
Yellow
2
20
3/8"
736
5/32"
Green
1
7
1/2"
26"
26.5/16"
27.15/16"
22.1/4"
500000
115
292
3/32"
Yellow
2
20
3/8"
736
5/32"
Green
1
7
1/2"
28"
28.1/8"
29.5/8"
25.1/4"
500000
140
292
3/32"
Yellow
2
20
3/8"
736
5/32"
Green
1
7
1/2"
CGA SERIES 2000 HEATER INSTALLATION
LOW TEMPERATURE HEATER SPECIFICATIONS