Part number 550-110-260/0200
58
GOLD CGs Gas-Fired Water Boiler
Dimensions13a
Figure 31 Dimensional drawing
TOP VIEW
19
19
13¹¹₁₆
28³⁄₈
1⁵⁄₈
4³⁄₄4³⁄₄
13¹⁄₄
11¹⁄₈
NOTE 2
NOTE 2
2³⁄₈
2¹⁄₄
3¹⁄₄
W
A
9
12
23¹⁄₄
MODEL
CGi
Pressure/temperature gauge
Supply piping ( )
note 1
Return piping ( )
note 1
Relief valve, ¾" NPT
½" NPT to expansion tank/air vent
3" Diameter vent
3"/3½" Dia. air pipe connection
Gas supply piping
Drain valve
Gas supply entrance (right or left side)
26060
RIGHT SIDELEFT SIDE
ALL DIMENSIONS IN INCHES
FRONT
Boiler circulator is shipped loose. Circulator may be
mounted on either boiler supply or return piping.
Circulatorflange providedwith boileris samesize as
recommendedpipesizein ,page14.Table3
Boiler supply and return tappings are both 1¼" NPT.
See , page 14for recommendedsystem sup-
plyandreturnpipingsizes.
Table3
Note2:
Note1:
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)
“A”
Air inlet
pipe center
(inches)
“W”
Jacket
width
(inches)
CGs-3 1¼ 1¼ ½ ½ 6½ 13
CGs-4 1¼ 1¼ ½ ½ 8 16
CGs-5 1¼ 1¼ ½ ½ 9½ 19
CGs-6 1¼ 1¼ ½ ½ 11 22
Note 3: Gas piping from meter to boiler to be sized per local utility requirements.