Warranty 17Warranty PeriodAPPLICABLE WARRANTY PERIODProduct LaborWarrantyPartsWarrantyHeatExchangerWarrantyNPE Series WaterHeater (Single FamilyResidential Use)1 year 5 years 15 yearsNPE SeriesWater Heater(Commercial orCombi* Use)1 year 3 years 10 yearsWarranty Claim ProceduresWarranty ServiceWarranty ExclusionsInstallation for non-recommended uses.●LIMITED WARRANTYNAVIEN AMERICA, INC.At its option, Navien will replace the defective component (part(s) orheat exchanger), in accordance with the terms of this Limited Warranty,if it fails in normal use and service during the Applicable Warranty Periodidentified above. The replacement component must be Navien originalfactory component. Navien, at its sole discretion, may replace theproduct with a new or refurbished product of comparable quality anddesign. The replacement component will be warranted only for theunexpired portion of the original component's Applicable WarrantyPeriod. Payment for labor in completing the warranty service is subjectto Navien’s prior written approval and shall be subject to Navien’sschedule of approved labor allowances.Navien’s Limited Warranty shall be void in the event of anoccurrence of any of the following:● Improper installation, failure to install in strict compliance withthe Installation Manual procedures, installed by a non-licensedinstaller, and installation in violation of applicable rules, laws orbuilding codes.● Product purchased through the internet, other e-commercechannels, or any installer that obtained the Product from asupplier or distributor not authorized by Navien.● Modification or alteration of the Product in any manner, includingbut not limited to, removal of any component or part, addition ofany non-approved components, relocating or moving the Productfrom its original installation site, or any accidental or intentionaldamage to the Product.● Any damage caused by local adverse conditions including butnot limited to hard water deposits, lime or mineral build-up,operating in corrosive atmospheric elements.● Damage or problems caused by gas flow issues, electrical surges,flooding, fire, abnormal external temperature, and any othercause of damage not directly caused by a manufacturing defect.● Installer’s failure to fully comply with the Warranty Service andReturn Policy procedures previously provided to Installer and as isavailable on Navien’s website. Such policies include but are notlimited to the Installer’s failure to first contact Navien TechnicalSupport while in front of the product for purposes of troubleshooting the identified problem or issue.● Use of the NPE Series Water Heater for space heating onlypurposes shall void the warranty.● Failure to perform regular maintenance, misuse, operation at settingsother than those recommended or specified, non-compliance withinstructions or guidelines set forth in the User’s Operation Manual.Navien products come with a limited warranty covering labor, partsand the heat exchanger. The following warranty periods begin torun from the date of original installation. The date of originalinstallation must be provided to Navien, and upon request, proof ofthe original installation date must also be provided to Navien. Whenthe product is installed in a new construction, the commencementdate shall be dated upon which the end-user takes title to theproperty.To obtain warranty repair service, the end user or homeower mustcontact the original installer of your Navien product. If the original installercannot be identified, the end user or homeowner may contact Navien’sTechnical Administration Department at (800) 519-8794. Proof ofpurchase is required to obtain warranty service.* Combi refers to a combination potable water and space heating application.Water heaters cannot be used in space heating only applications.