Weil-McLain CGa 3 Series Manual page 64

CGa Series 3 Gas-Fired Water Boiler — Boiler Manual
13a
Dimensions
Figure 36 Dimensional drawing — ALL DIMENSIONS IN INCHES
Boiler Supply
model tapping
number
(inches NPT)
CGa-25 1 ¼
CGa-3 1 ¼
CGa-4 1 ¼
CGa-5 1 ¼
CGa-6 1 ¼
CGa-7 1 ¼
CGa-8 1 ¼
Note 3: Gas piping from meter to boiler to be sized per local utility requirements.
64
Return Gas connection
tapping & manifold size
(inches NPT) Note 3
(inches NPT)
1 ¼ ½
1 ¼ ½
1 ¼ ½
1 ¼ ½
1 ¼ ½
1 ¼ ¾
1 ¼ ¾
"A" "D"
Vent Vent
location diameter
(inches) (inches)
5 4
5 4
6-½ 5
8 6
9-½ 6
11 7
12-½ 7
"W" "H"
Jacket Damper
width height
(inches) (inches)
10 45-
3/8
10 52-
3/8
13 54-
3/8
16 57-
7/8
19 60-
7/8
22 62-
1/8
25 64-
7/8
Part Number 550-142-300/0520