User Guide

User’s Information Manual
5
Part Number 550-142-801/1112
EG/EGH
LGB
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)