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5Part number 550-141-850/0699
• Installation • Start-Up • Parts • Maintenance
Failure to adhere to the guidelines on this page can result in severe personal
injury, death or substantial property damage.
When servicing boiler —
• To avoid electric shock, disconnect electrical supply before
performing maintenance.
• To avoid severe burns, allow boiler to cool before performing
maintenance.
Boiler operation —
• Do not block flow of combustion or ventilation air to boiler.
• Should overheating occur or gas supply fail to shut off, do not
turn off or disconnect electrical supply to pump. Instead, shut off the
gas supply
at a location external to the appliance.
• Do not use this boiler if any part has been under water.
Immediately call a qualified service technician to inspect the boiler and to
replace any part of the control system and any gas control, which has
been under water.
Boiler water —
• DO NOT use petroleum-based cleaning or sealing compounds in
boiler system. Water seal deterioration will occur, causing leakage between
sections. This can result in substantial property damage.
• DO NOT use "homemade cures" or "boiler patent medicines".
Serious damage to boiler, personnel and/or property may result.
• Continual fresh makeup water will reduce boiler life. Mineral
build-up in sections reduces 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.
• Do not add cold water to hot boiler. Thermal shock can cause
sections to crack.
Please read before proceeding