46
Part Number 550-142-785/0812
GWI
Series 2
Gas-Fired Water Boilers –
Boiler Manual
Figure 29 Dimensional drawing — ALL DIMENSIONS IN INCHES
14 Dimensions
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)
GWI-047
1 ¼
¾
½
½
10
GWI-063
1 ¼
1
½
½
10
GWI-095
1 ¼
1
½
½
13
GWI-127
1 ¼
1
½
½
16
GWI-158
1 ¼
1 ¼
½
½
19
GWI-190
1 ¼
1 ¼
¾
¾
22
Note 3: Gas piping from meter to boiler to be sized per local utility requirements.