Navien NCB700-24L User's Information Manual page 6

Condensing combi boiler
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Do not place or use hair sprays, spray
paints, or any other compressed
gases near the boiler or flue system,
including the flue termination.
Doing so may result in fire or explosion.
Do not operate the boiler with the
front cover opened.
Doing so may result in fire or carbon
monoxide (CO) poisoning, which may
result in property damage or personal
injury.
Do not operate this boiler without
proper flue system.
Doing so may result in fire or carbon
monoxide (CO) poisoning, which may
result in property damage or personal
injury. Inspect the flue termination and
air intake supply annually to ensure
proper operation of the boiler. Turn
off and discontinue use of the boiler
if any of the flue pipes, flue elbows, or
intake pipes are damaged in any way,
separated at a joint, or show evidence
of corrosion, rusting, or melting.
Do not touch the power cord or
internal components of the boiler
with wet hands.
Doing so may result in electric shock.
Do not make any electrical
connections before turning off the
electrical power supply at service
entrance panel.
Doing so may result in severe personal
injury.
CAUTION
Do not attempt to repair or replace
any part of the boiler, unless it is
specifically recommended in this
manual.
For all other service, contact an
authorised technician or licensed
professional. Improper adjustments,
alterations, service, or maintenance
may lead to property damage or
personal injury, and will void your
warranty.
Do not operate the boiler if you feel
something is wrong with it.
Doing so may result in product damage
or personal injury.
Do not allow children to operate or
access the boiler.
Doing so may result in product damage
or personal injury.
Do not attempt to change the DHW
water temperature while the boiler is
being used.
Doing so may result in personal injury.
Do not turn on the boiler unless
the water and gas supplies are fully
opened.
Doing so may damage the boiler.
Do not turn on the water if the cold
water supply shut-off valve is closed.
Doing so may damage the boiler.
Do not use this boiler for anything
other than its intended purpose, as
described in this manual.
Safety Information
5

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This manual is also suitable for:

Ncb700-28lNcb700-34lNcb700-40l

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