Weil-McLain EGH-85 Control Supplement page 9

Control Supplement — Standing Pilot Boilers
with probe-type low water cutoff
For your safety, turn off electrical power supply and turn off external gas supply valve before attempting to work
on the boiler. Failure to comply can cause severe personal injury, death or substantial property damage.
1. Mount and wire controls per wiring diagram, page
8, and Figure 3.
a. Attach junction box inside left jacket panel with
#8-32 x ½" machine screws and green ground
nuts provided.
b. Install transformer with plug-in relay receptacle
and relay. In Canada, use chain and hook strain
relief.
c. Operating and limit circuit wiring must be 18
gauge or heavier.
2. Bring supply wiring to boiler. Must be 14 gauge or
heavier.
Part Number 550-110-031/0605
Figure 3
9