Weil-McLain Standing Pilot Cast Iron Gas Boiler CGA25SPDN User Manual

Page of 68
Part Number 550-101-009/0107
5
GOLD CGa Gas-Fired Water Boiler — Boiler Manual
 
Failure to adhere to the guidelines on this page can result in severe personal injury, death 
or substantial property damage.
Please read before proceeding
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boiler life. Mineral buildup in sections re-
duces heat transfer, overheats cast iron, and 
causes section failure. Addition of oxygen 
and other gases can cause internal corrosion. 
Leaks in boiler or piping must be repaired 
at once to prevent makeup water.
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shock can cause sections to crack.
Glycol — potential fire hazard —
All glycol is flammable when exposed to high 
temperatures. If glycol is allowed to accumulate 
in or around the boiler or any other potential 
ignition source, a fire can develop. In order to 
prevent potential severe personal injury, death 
or substantial property damage from fire and/or 
structural damage:
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or any potential ignition source.
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regularly for leakage. Repair any leaks im-
mediately to prevent possible accumulation 
of glycol.
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glycol in the system. Using these glycols can 
lead to hazardous leakage of glycol in the 
boiler system.
When servicing boiler —
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before performing maintenance.
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performing maintenance.
Boiler operation —
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to boiler.
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off, do not turn off or disconnect electrical supply to 
circulator. Instead, shut off the gas supply at a location 
external to the appliance.
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water. Immediately call a qualified service techni-
cian to inspect the boiler and to replace any part of 
the control system and any gas control that has been 
under water.
Boiler water —
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compounds in boiler system. Water seal deterioration 
will occur, causing leakage between sections. This can 
result in substantial property damage.
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CINESv
Installer
 
2EAD
. Follow all instructions in 
proper order to prevent personal 
injury or death.
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PIPING
 when determining 
boiler location.
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CLAIMS
 
must be filed immediately against the transportation 
company by the consignee.
User
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4HIS
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5SERS
 for 
your reference.
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SERVICE
SERVICE
.
 
When calling or writing about the boiler— Please have the boiler model number from the 
BOILER
)NSTALLATION
 found on page 33.
 
The boiler contains ceramic fiber and fiberglass materials. Use care when handling these 
materials per instructions on page 68 of this manual. Failure to comply could result in severe 
personal injury.