Weil-McLain CGa User's Information Manual page 5

Gas-fired boilers
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EG/EGH
1
Gas valve
2
Pilot burner
3
Main burner
4
Gas manifold/orifices
5
Control module
7
Vent damper
9
Transformer
10
Spill switch
12
Rollout thermal fuse element
13
Low water cutoff (steam boilers)
14
Limit control(s)
15
Draft hood
16
Circulator
18
Gauge (pressure or pressure/temperature)
19
Gauge glass (steam only)
Part Number 550-110-592/1099
PFG
LGB
5

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