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6. LIMITED WARRANTY NAVIEN, INC.
Effective Terms
This 15 year limited warranty on heat exchangers,
5 year limited warranty on parts, and 1 year
limited-labor warranty ("Warranty") covers defects
in materials or workmanship when the Navien
NHW700 Water Heater ("Product") is installed by
a properly licensed plumber or contractor and
operated in strict compliance with the Installation
manual procedures, subject to the terms within this
Warranty document. Improper installation or use
will void this Warranty. This Warranty runs from date
of installation and extends to the original purchaser
and subsequent owners, but only while the Product
remains at the site of the original installation.
What is Covered?
Subject to the foregoing terms, Navien will
repair or replace the covered Product or any part
or component that is defective in materials or
workmanship for a period of five (5) years in regard
to parts and up to fifteen (15) Years in regard to
the heat-exchanger for a Standard
2
Recirculation
installation in a Residential*
application. All repair parts must be genuine
Navien parts. All repairs and replacements must be
performed by an individual or servicing company
that is properly licensed to do the type of repair.
When the Product is being used in an Uncontrolled-
3
Recirculation
installation in a Residential*
application, then the parts warranty will be reduced
to three (3) years and the heat exchanger warranty
to five (5) years as indicated in the Warranty
Coverage Periods table.
When the Product is being used in an Standard
2
Controlled-Recirculation
application, then the parts warranty will remain
at five (5) years and the heat exchanger warranty
will be reduced to five (5) years as indicated in the
Warranty Coverage Periods table.
When the Product is being used in an Uncontrolled-
3
Recirculation
installation in a Combi
Commercial application, then the parts warranty
will be reduced to three (3) years and the heat
exchanger warranty to three (3) years as indicated in
the Warranty Coverage Periods table.
Navien will pay labor charges for the repair subject
to Navien's prior written approval and in accordance
with Navien's schedule of approved labor
allowances for a period of one (1) year from the date
of installation.
1
or Controlled-
1
or
4
installation in a Combi
4
or
During the applicable warranty period, replacement
of the Product or components may be authorized
by Navien only. Navien does not authorize any
person or company to assume for it any obligation
or liability in connection with the replacement of
the Product or its components. If it is determined
that repair or replacement of a part, under warranty,
is not possible, the Product will be replaced with a
new Product having at least the same BTU capacity
as the product at issue. The replacement component
or product will be warranted only for the unexpired
portion of the applicable warranty period for the
original component or Product.
Warranty Coverage Periods
Application
Warranty
1
Standard
1 year
or Cont-
2
Recirc
Residential*
Uncont.-
1 year
3
Recirc
1
Standard
1 year
or Cont-
Commercial
2
Recirc
4
or Combi
Uncont.-
1 year
3
Recirc
*Applies only to single family, residential locations
1
Standard means there is no recirculation being
used
2
Controlled-Recirculation means recirculation of
the water through the water heater is controlled
by either the water heater or an external aquastat.
3
Uncontrolled-Recirculation External pumps
configured to circulate continuously through
the water heater are subject to the uncontrolled
recirculation warranty terms. An aquastat is the
minimum pump control requirement for DHW or
storage tank recirculation in order to maintain the
full controlled recirculation warranty.
4
Combi refers to a combination potable water and
space heating application. Water Heaters cannot
be use in space heating only applications or this
warranty will be voided.
Labor
Parts
H/Ex
Warranty
Warranty
5 years
15 years
3 years
5 years
5 years
5 years
3 years
3 years
Warranty
23
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