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DANGER:
Indicates the presence of immediate hazards which will cause severe person-
al injury, death or substantial property damage if ignored.
WARNING:
Indicates the presence of hazards or unsafe practices which could cause
severe personal injury, death or substantial property damage if ignored.
CAUTION:
Indicates the presence of hazards or unsafe practices which could cause
minor personal injury or product or property damage if ignored.
NOTE:
Indicates special instructions on installation, operation, or maintenance which
are important but not related to personal injury hazards.
DANGER: Make sure the gas on which the heater
will operate is the same type as that specified on the
heater rating plate.
WARNING: Should overheating occur or the gas
supply valve fail to shut, do not turn off or disconnect
the electrical supply to the heater. Instead, shut off
the gas supply at a location external to the heater.
WARNING: Do not use this heater if any part has
been under water. Immediately call a qualified serv-
ice technician to inspect the heater and to replace
any part of the control system and any gas control
which has been under water.
WARNING: To minimize the possibility of improper
operation, serious personal injury, fire, or damage to
the heater:
• Always keep the area around the heater free of
combustible materials, gasoline, and other flam-
mable liquids and vapors.
• Heater should never be covered or have any
blockage to the flow of fresh air to the heater.
WARNING - CALIFORNIA PROPOSITION
65: This product contains chemicals known to the
State of California to cause cancer, birth defects or
other reproductive harm.
WARNING: Risk of electrical shock. More than one
disconnect switch may be required to de-energize
the equipment before servicing.
CAUTION: Operation of this heater in low-temper-
ature systems requires special piping. Harmful inter-
nal condensation will occur if the inlet water temper-
ature does not exceed 105°F. Warranty claims will
be denied when condensation occurs.
CAUTION: If this heater is to be installed above
radiation level, it must be provided with a low water
cut-off device at the time of heater installation.
CAUTION: If this heater is to be installed in a neg-
ative or positive pressure equipment room, there are
special installation requirements. Consult factory for
details.
WARNINGS
Pay Attention to These Terms