Weil-McLain 4 Series Manual page 7

Universal control systems — Control supplement
Control installation
EG-30 through EG-75 water boilers with tankless heaters
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 prop-
erty damage.
Figure 2
EG-30 through EG-75 water boilers with tankless heaters
Part Number 550-110-646/0607
continued
1. Mount and wire controls per wiring diagram, page , and Figure .
a. Install combination limit control and relay in tapping. See Boiler Manual
control tapping table. Operating and limit circuit wiring must be 1 gauge
or heavier.
. Bring supply wiring to boiler. Must be 1 gauge or heavier.
. Proceed to page 0.