Navien NCB300-28K, Service Manual

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Navien Warranty 5
Warranty Period
Navien products come with a limited warranty covering. The
warranty covers labour, parts, and the heat exchanger. The
warranty period starts from the date of original installation.
The date of original installation must be advised to Navien, and
if requested, proof of the original installation date must also
be provided to Navien. When the product is installed in a new
installation, the warranty period will start from the date the end-
user takes responsibility for the property.
Product Warranty Period
NCB300 Series Boiler
(Residential use, single dwelling)
5 years
Warranty Claim Procedure
To obtain warranty repair service, the end user or homeowner
must contact the original installer of the Navien product. If the
original installer is unknown, the end user or homeowner can
contact the Navien Technical Department at
0844–332-2323
.
Proof of purchase is required to obtain warranty service.
Warranty Service
At its option, Navien will replace the defective component
(part(s) or heat exchanger), in accordance with the terms of this
Limited Warranty, if it fails in normal use and service during the
Applicable Warranty Period identified above. The replacement
component must be Navien original factory component. Navien,
at its sole discretion, may replace the product with a new or
refurbished product of comparable quality and design. The
replacement component or product will be warranted only for
the unexpired portion of the original component’s Applicable
Warranty Period. Payment for labour in completing the warranty
service is subject to Navien’s prior written approval and shall be
subject to Navien’s schedule of approved labour allowances.
Warranty Exclusions
Navien’s Limited Warranty shall be void in the event of an
occurrence of any of the following:
●
Improper installation, failure to install in strict compliance
with the Installation Manual procedures, installed by a non-
licensed installer, and installation in violation of applicable
rules, laws or building codes.
●
Product purchased through the internet, other e-commerce
channels, or any installer that obtained the Product from a
supplier or distributor not authorised by Navien.
●
Failure to perform regular maintenance, misuse, operation at
settings other than those recommended or specified, non-
compliance with instructions or guidelines set forth in the
User’s Operation Manual.
●
Modification or alteration of the Product in any manner,
including but not limited to, removal of any component or
part, addition of any non-approved components, relocating
or moving the Product from its original installation site, or any
accidental or intentional damage to the Product.
●
Installation in commercial or multi-unit dwelling applications
or for non-recommended uses.
●
Any damage caused by local adverse conditions including but
not limited to hard water deposits, lime or mineral build-up,
operating in corrosive atmospheric elements.
●
Damage or caused by gas flow issues, electrical surges,
flooding, fire, abnormal external temperature, and any other
cause of damage not directly caused by a manufacturing
defect.
●
Installer’s failure to fully comply with the Warranty Service and
Return Policy procedures previously provided to Installer and
as is available on Navien’s website. Such policies include but
are not limited to the Installer’s failure to first contact Navien
Technical Support while in front of the product for purposes
of trouble shooting the identified problem or issue.
●
Performance problems caused by improper sizing of the
boiler, the gas supply line, the flue connection, combustion air
openings, electric service voltage, wiring, fusing or any other
components, parts or specifications.
●
Improper conversion from natural gas to LP gas or LP gas
to natural gas or attempt to operate with a type of gas not
specified for the boiler.
●
Any damage, malfunction or failure caused by abuse,
negligence, alteration, accident, fire, flood, freezing, wind,
lightning and other acts of God.
●
Operating, using or storing the boiler in a corrosive or
contaminated atmosphere or environment.
●
Operating the boiler at water temperatures outside the
factory calibrated temperature limits and/or exceeding the
maximum setting of the high limit control.
●
Operating the boiler when it is not supplied with potable
water at all times.
●
Subjecting the heat exchanger to pressures or firing rates
greater or lesser than those shown on the rating plate.
●
Removal or alteration of the rating plate.
Navien Warranty