Using This Manual; Homeowner; Service Techicians; When Calling Or Writing About The Boiler - Weil-McLain WGO 4 Series Manual

WGO
OIL-FIRED NATURAL DRAFT WATER BOILER — SERIES 4 —

Using this manual

Homeowner —
Read and follow all information on pages 1 through 7 ONLY.
Service technician —
Read and follow ALL information in the entire manual.
Failure to follow all instructions in proper order can cause severe personal injury, death or
substantial property damage.

When calling or writing about the boiler

Please have boiler model number and series from boiler rating label and Consumer Protection (CP)
number(s) from boiler jacket, burner and controls. On page 28 of this manual is space to list CP number(s).
Packaged, Semi-packaged, and knocked-down boilers
Packaged boilers:
Semi-packaged boilers
Knocked-down boilers

Hazard definitions

The following defined terms are used throughout this manual to bring attention to the presence of hazards
of various risk levels or to important information concerning the life of the product.
2
HOMEOWNER and SERVICE TECHNICIAN — read and follow completely.
Available only in sizes 2 through 6, are factory assembled, completed with block, collector
hood, jacket, controls and trim. Burner is ordered and shipped separately.
Available only in sizes 2 through 6, are shipped with block assembled with collector hood
and jacket installed. Control, trim, and burner are ordered and shipped separately for field
assembly.
Available in sizes 2 through 9, are shipped with block assembled only. All other components
are ordered and shipped separately for field assembly.
Indicates presence of hazards that will cause severe personal injury,
death or substantial property damage.
Indicates presence of hazards that can cause severe personal injury,
death or substantial property damage.
Indicates presence of hazards that will or can cause minor personal
injury or property damage.
Indicates special instructions on installation, operation or
maintenance that are important but not related to personal injury
or property damage.
Boiler Manual
Part number 550-142-331/0421