Weil-McLain Boiler - Manual

Part Number 550-110-646/0607
This supplement must only be used by a qualified heating installer/service technician. Before installing , read all
instructions, including this supplement, the boiler manual and any related documents. Perform steps in the order given.
Failure to comply could result in severe personal injury, death or substantial property damage.
Control supplement – Universal control systems
For additional information, refer to . . .
EG•PEG•EGH Boiler manual
for Natural or Propane gas
(tankless heater application optional)
Gas-Fired Boilers – Series 4
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PEG
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EGH