Weil-McLain CGi User's Information Manual page 5

EG/EGH
Not shown
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 550-110-592/1000
PFG
(PFG-5
only)
59213
LGB
Not shown
Not shown
(PFG-5 only)
59215
59214
5