Navien NPN-120E, User'S Information Manual

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25 Warranty
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Damage or problems caused by gas flow issues,
electrical surges, flooding, fire, freezing, abnormal
external temperature, force majeure, riot, act of
war, or any acts of God.
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Performance problems caused by improper sizing
of the boiler, the gas supply line, the venting
connection, combustion air openings, electric
service voltage, wiring, fusing or any other
components, parts or specifications.
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Vibration and noise unless caused by a defect in
materials or workmanship. Any other causes other
than defects in materials or workmanship.
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Operating the Product at water temperatures
outside the factory calibrated temperature limits
and/or exceeding the maximum setting of the
high limit control.
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Subjecting the heat exchanger to pressures or
firing rates greater or lesser than those shown on
the rating plate or removal of or alteration to the
rating plate.
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Installation at any location outside the United
States.
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Improper conversion from natural gas to liquid
propane gas or liquid propane gas to natural
gas or attempt to operate with a type of gas not
specified for the boiler.
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Accidental or intentional damage.
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Operating the Product when it is not supplied
with potable water at all times.
There is no warranty on any Product purchased
through the internet or from any installer that
obtained the Product from a supplier or distributor
not authorized by Navien.
How do I get service?
You must contact the original installer of your
Product. Your installer will need to contact Navien
to report the issue. If the original installer cannot
be identified or you no longer choose to use that
service provider, you may choose any service
provider who is properly licensed to complete
the necessary repair. The installer and/or service
provider must comply with Navien’s warranty
service and return policy procedures as available
on Navien’s website including contacting Navien’s
Technical Support Department at (800) 519-8794,
option 2, prior to commencing any service.
Proof of the date of installation must be provided to
Navien. At Navien’s request, the defective Product
or part must be returned to Navien. When the
Product is installed in new construction, the date
of installation shall be established as the date upon
which the end-user takes title to the real property. If
proof of the installation date is unavailable, then six
months after the date of manufacture will be used.
What is not covered?
Navien’s Limited Warranty shall be void in the event
of an occurrence of any of the following:
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Improper installation, including but not limited
to, installation in violation of applicable rules,
laws or building codes, inadequate water quality,
condensate damage, improper venting, incorrect
gas type, water pressure, absence of a drain pan,
improper conversion from Natural Gas source
to Propane, improper conversion from Propane
source to Natural Gas, reinstallation at another
location, etc.
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Accident, abuse or misuse including but not
limited to installation for non-recommended
uses, failure to follow or comply with the User’s
Operational Manual, etc.
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Improper maintenance including but not limited
to, scale buildup, vent blockage, failure to
maintain, etc.
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Modification, alteration, addition of non-
approved components, or misapplication of the
Product in any manner.
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Any damage caused by local adverse conditions
including but not limited to water quality,
hard water deposits, lime or mineral build-up,
operating in corrosive atmospheric elements,
alterations in smell or taste of water that have an
adverse reaction on the unit, etc.