Weil-McLain GOLD CGa Installation And Maintenance Manual page 66

GOLD
13a
Dimensions
Figure 36 Dimensional drawing — ALL DIMENSIONS IN INCHES
Supply piping ( note 1
Return piping ( note 1
Relief valve, ¾" NPT
½" NPT to expansion tank/air vent
Vent connection to vent damper
Draft hood
Gas supply piping
Drain valve
Gas supply entrance (right or left side)
Pressure/temperature gauge
13¹⁄₄
4³⁄₄
NOTE 2
12
23¹⁄₄
L EFT SIDE
59320
Boiler Supply
model tapping
number
(inches NPT)
/
CGa-25 1 1
4
CGa-3 1 /
1
4
CGa-4 1 /
1
4
/
CGa-5 1 1
4
CGa-6 1 /
1
4
/
CGa-7 1 1
4
CGa-8 1 /
1
4
Note 3: Size gas piping from meter to boiler per local utility requirements.
66
CGa Gas-Fired Water Boiler
)
6¹⁄₄
)
T OP VIEW
A LL DIMENSIONS IN INCHES
NOTE 2
28³⁄₈
19
13¹¹ ₁₆
1⁵⁄₈
Return Gas connection
tapping & manifold size
(inches NPT) (Note 3)
(inches NPT)
/ /
1 1 1
4 2
1 / /
1 1
4 2
1 / /
1 1
4 2
/ /
1 1 1
4 2
1 / /
1 1
4 2
/ /
1 1 3
4 4
1 / /
1 3
4 4
A
2³⁄₈
MODEL
CGi
9
W
F RONT
"A"
Vent
location diameter
(inches)
5
5
6 /
1
2
8
9 /
1
2
11
12 /
1
2
Do not cut or alter draft hood in any way.
Boiler combustion will be affected, causing
severe personal injury, death or substantial
property damage.
Boiler supply and return tappings are both 1¼" NPT.
Note 1:
See Table 3 , page 16 for recommended system sup-
ply and return piping sizes.
Note 2: Boiler circulator is shipped loose. Circulator may be
mounted on either boiler supply or return piping.
Circulator flange provided with boiler is same size as
recommended pipe size in Table 3
4³⁄₄
H
19
R IGHT SIDE
"D" "W"
Vent Jacket
width
(inches) (inches)
4 10
4 10
5 13
6 16
6 19
7 22
7 25
Part Number 550-110-593/1099
, page 16.
D
"H"
Damper
height
(inches)
/
45 3
8
52 /
3
8
54 /
3
8
/
57 7
8
60 /
7
8
/
62 1
8
64 /
7
8