Part Number 550-142-302/0520
CGi
SERIES 4 — GAS-FIRED WATER BOILER —
Boiler Manual
69
Dimensions
13a
Figure 44
Dimensional drawing
Boiler
model
number
Supply
tapping
(inches NPT)
Return
tapping
(inches NPT)
Gas
connection size
Note 3
(inches NPT)
Gas
manifold size
Note 3
(inches NPT)
“W”
Jacket
width
(inches)
CGi-25
1 ¼
1 ¼
½
½
10
CGi-3
1 ¼
1 ¼
½
½
10
CGi-4
1 ¼
1 ¼
½
½
13
CGi-5
1 ¼
1 ¼
½
½
16
CGi-6
1 ¼
1 ¼
½
½
19
CGi-7
1 ¼
1 ¼
¾
¾
22
CGi-8
1 ¼
1 ¼
¾
¾
25
Note 3:
Gas piping from meter to boiler to be sized per local utility requirements.