Weil-McLain Standing Pilot Cast Iron Gas Boiler CGA25SPDN User Manual

Page of 68
GOLD CGa Gas-Fired Water Boiler — Boiler Manual
66
Part Number 550-101-009/0107
Dimensions
13a
Figure 36
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.