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GOLD CGa Gas-Fired Water Boiler — Boiler Manual
66
Part Number 550-101-009/0107
Dimensions13a
Figure 36 Dimensional drawing — ALL DIMENSIONS IN INCHES
Boiler
model
number
Supply
tapping
(inches NPT)
Return
tapping
(inches NPT)
Gas connection
& manifold size
(Note 3)
(inches NPT)
“A”
Vent
location
(inches)
“D”
Vent
diameter
(inches)
“W”
Jacket
width
(inches)
“H”
Damper
height
(inches)
CGa-25 1
1
/
4 1
1
/
4
1
/
2 5 4 10 45
3
/
8
CGa-3 1
1
/
4
1
1
/
4
1
/
2
5 4 10 52
3
/
8
CGa-4 1
1
/
4 1
1
/
4
1
/
2 6
1
/
2 5 13 54
3
/
8
CGa-5 1
1
/
4 1
1
/
4
1
/
2 8 6 16 57
7
/
8
CGa-6 1
1
/
4 1
1
/
4
1
/
2 9
1
/
2 6 19 60
7
/
8
CGa-7 1
1
/
4 1
1
/
4
3
/
4 11 7 22 62
1
/
8
CGa-8 1
1
/
4 1
1
/
4
3
/
4 12
1
/
2 7 25 64
7
/
8
Note 3: Size gas piping from meter to boiler per local utility requirements.