18
UNUSUALLY TIGHT CONSTRUCTION
CONFINED SPACE
IS LESS THAN
AND
DIRECT VENT APPLIANCES
EXHAUST FANS
LOUVERS AND GRILLES
AIR REQUIREMENTS
Breathing Hazard - Carbon Monoxide Gas
Install water heater in accordance with
the Instruction Manual and NFPA 54 or
CAN/CSA-B149.1.
To avoid injury, combustion and ventilation
air must be taken from outdoors.
Do not place chemical vapor emitting
products near water heater.
Breathing carbon monoxide can cause brain damage or
death. Always read and understand instruction manual.
UNCONFINED SPACE
IS NOT LESS THAN
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