Weil-McLain 550-141-829/1201 - Manual (Page 2)

2
Hazard Definitions
The following terms are used to bring attention to the presence of hazards of various risk levels or to
important information concerning product life.
Indicates presence of hazards that will cause severe personal injury, death or substantial
property damage if ignored.
Indicates presence of hazards that can cause severe personal injury, death or substantial
property damage if ignored.
Indicates presence of hazards that will or can cause minor personal injury or property
damage if ignored.
Indicates special instructions on installation, operation, or maintenance that are
important but not related to personal injury hazards.
Symbol Definitions
The following symbols are used to indicate sequence of installation for:
Factory-assembled packaged boiler—block, jacket and controls. Sizes 3
through 6 only.
Factory-assembled block, no burner. Sizes 3 through 6 with jacket installed; steam trim controls
shipped separately. Sizes 7 through 9 with jacket and steam trim controls shipped separately.
When Calling or Writing About the Boiler
Please have boiler model number and series from boiler rating label and CP number(s) from boiler jacket,
burner and controls. On page 26 of this manual is space to list CP number(s).
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