GWC
-
gas
fired water boiler
Dimensions and ratings
Dimension drawing (see Figure 104, page 99 for dimensional table)
Figure 103
Item
Description
number
1
1" NPT Supply
2
1" NPT Return
3
Combination pressure-temperature gauge, 2 ½" short shank
4
¾" NPT Relief valve outlet
5
Plug dome, 2" black
6
Junction box
7
Inlet air fitting, 3" PVC
8
Flue outlet, 3" PVC
9
½" Condensate drain
10
½" NPT Gas supply connection (provided by others)
11
Drip leg (provided by others)
12
Union (provided by others)
13
Manual main shutoff gas valve (provided by others)
14
ON/OFF switch
98
— Boiler Manual
Part number 550-142-056/0411