Weil-McLain 550 MBH Nstallation And Operation Manual page 4

®
SlimFit Series 3
Contents
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.
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COMMERCIAL CONDENSING GAS
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.
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FIRED WATER BOILER
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Boiler Manual
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