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19

Warranty

Warranty Period

Navien products come with a limited warranty 
covering labor, parts and the heat exchanger. The 
following warranty periods begin to run from the 
date of original installation. The date of original 
installation must be provided to Navien, and upon 
request, proof of the original installation date must 
also be provided to Navien. When the product is 
installed in a new construction, the commencement 
date shall be dated upon which the end-user takes 
title to the property.

APPLICABLE WARRANTY PERIOD

Application

Labor 

Warranty

Parts 

Warranty

Heat 

Exchanger 

Warranty

NPE Series 
Water Heater 
(Residential)

Standard 
or 

Cont.-

Recirc.

2

1 year

5 years

15 years

Uncont.-
Recirc.

3

1 year

3 years

 5 years

NPE Series 
Water Heater 
(Commercial 
or 

Combi

1)

Standard 
or 

Cont.-

Recirc.

2

1 year

5 years

 8 years

Uncont.-
Recirc.

3

1 year

3 years

 3 years

Combi

 refers to a combination potable water and space 

heating application. Water heaters cannot be used in 
space heating only applications.

2

Controlled-Recirculation

:

Recirculation 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.

Warranty Claim Procedures

To obtain warranty repair service, the end user or 
homeowner must contact the original installer 
of your Navien product. If the original installer 
cannot be identified, the end user or homeowner 
may contact Navien’s Technical Administration 
Department at 

1-800-519-8794

. 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 part(s) must be Navien original factory 
component part(s). Navien, at its sole discretion, 
may replace the product with a new or refurbished 
product of comparable quality and design. The 
replacement component part(s) will be warranted 
only for the unexpired portion of the original 
component part’s Applicable Warranty Period. 
Payment for labor in completing the warranty 
service is subject to Navien’s prior written approval 
and shall be subject to Navien’s schedule of 
approved labor allowances.

Warranty Exclusions

Navien’s Limited Warranty shall be void in the event 
of an occurrence of any of the following:

 

Ɣ

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.

 

Ɣ

Product purchased through the internet, 
other e-commerce channels, or any installer 
that obtained the Product from a supplier or 
distributor not authorized by Navien. 

 

Ɣ

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.

 

Ɣ

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.

 

Ɣ

Installation for non-recommended uses.

 

Ɣ

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.

 

Ɣ

Damage or problems 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.

LIMITED WARRANTY NAVIEN, INC.

Summary of Contents for NPE-180A2

Page 1: ...on must conform with local codes or in the absence of local codes the National Fuel Gas Code ANSIZ223 1 NFPA 54 and or CSA B149 1 Natural Gas and Propane Installation Code When applicable the installa...

Page 2: ...justing the Water Temperature 9 3 3 Resetting the Water Heater 10 4 Maintaining the Water Heater 11 4 1 Cleaning the Water Heater 11 4 2 Draining the Water Heater 11 4 3 Flushing the Heat Exchanger 12...

Page 3: ...automatically lights the burner Do not try to light the burner by hand B BEFORE OPERATING smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier tha...

Page 4: ...ensed plumber or your local plumbing authority for more information California law requires the following Prop 65 warning to be provided WARNING Cancer and Reproductive Harm www P65Warnings ca gov DAN...

Page 5: ...r show you the location of the gas shut off valve and demonstrate how to close the valve If the water heater is damaged as a result of overheating fire flood or any other reason close the manual shut...

Page 6: ...injury Do not allow children to operate or access thewaterheater Doing so may result in product damage or personal injury Do not attempt to change the water temperature while the water heater is bein...

Page 7: ...inless steel Heat Exchangers with stainless steel piping Built in pump and 0 4 US gallon 1 5 liter Buffer Tank for internal or external recirculation A2 model only 2 2 Parts of the Water Heater Exhaus...

Page 8: ...s c Gas Displays when the unit is configured for propane gas d Main Sub Displays whether the water heater is a main or a sub unit of the cascade system e Status Flow Displays the operation status incl...

Page 9: ...e first time you must complete the start up wizard The temperature will appear on the front panel display after the power is turned on 3 2 Adjusting the Water Temperature WARNING Before adjusting the...

Page 10: ...perature range Adjusting the water temperature 97 F 120 F Fahrenheit mode 36 C 50 C Celsius mode 1 F or 0 5 C increments 120 F 140 F Fahrenheit mode 50 C 60 C Celsius mode 1 F or 0 5 C increments The...

Page 11: ...o drain the water heater before performing maintenance tasks such as cleaning the inlet water filter or to prevent the water heater from freezing when it will not be used for an extended period Refer...

Page 12: ...is 5 gallons or larger Cleaning solution diluted with water 3 hoses A water circulation pump To flush the Heat Exchanger A A B B C C D D Navien Easy valve Kit Cold Water Line Hot Water Line Circulati...

Page 13: ...the tubes to the circulation pump outlet and the cold water line at the B valve 6 Connect one tube to the circulation pump inlet and place the free end in the bucket 7 Pour the cleaning solution into...

Page 14: ...on on the front panel to turn on the water heater 4 5 Cleaning the Air Intake Filter If the air intake filter becomes clogged by dust or lint the water heater will cease to operate and Error Code 110...

Page 15: ...tuation and the owner is responsible for ensuring that protection against freezing is maintained To avoid freezing issues we strongly recommend the use of a direct vent exhaust and intake system Your...

Page 16: ...the cold water inlet filter See 4 4 Cleaning the Inlet Water Filter and Recirculation Inlet Filter on page 13 Open the hot water faucet completely If an error code is displayed refer to 5 2 Understand...

Page 17: ...lean the intake air filter See page 14 E110 Abnormal air pressure Ensure that the exhaust pipe is free of obstructions Clean the intake air filter See page 14 E407 Hot water outlet thermistor open or...

Page 18: ...chnical Support at 1 800 519 8794 E773 Using the wrong gas Contact Technical Support at 1 800 519 8794 E782 Abnormal operation main panel communication Contact Technical Support at 1 800 519 8794 E785...

Page 19: ...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 part s mu...

Page 20: ...er heater 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 water heater in a cor...

Page 21: ...Memo...

Page 22: ......

Page 23: ...onsdevotre fournisseurdegaz Sivousneparvenezpas joindrevotrefournisseurdegaz appelezlespompiers L installationdoit treconformeauxcodeslocauxou siaucuncodelocaln estenvigueur auNationalFuelGas Lecas ch...

Page 24: ...ge de la temp rature de l eau 9 3 3 R initialiser la chaudi re 10 4 Entretenir le chauffe eau 11 4 1 Nettoyer le chauffe eau 11 4 2 Vidanger le chauffe eau 11 4 3 Rin age de l changeur thermique 12 4...

Page 25: ...lumer le br leur manuellement B AVANT TOUTE OP RATION v rifiez que ne sentez pas de gaz partout autour de l appareil Veillez bien sentir pr s du sol car certains gaz sont plus lourds que l air et se d...

Page 26: ...e comp tente en termes de plomberie Les lois de la Californie exigent que l avertissement suivant soit fourni Prop 65 AVERTISSEMENT Cancer et effets nocifs sur la reproduction www P65Warnings ca gov D...

Page 27: ...au plombier de vous montrer o se trouve la vanne d arr t du gaz et comment la fermer Si le chauffe eau est endommag la suite d une surchauffe d un incendie d une inondation ou pour toute autre raison...

Page 28: ...fessionnel agr Des r glages modifications ou travaux d entretien inadapt s risquent d tre l origine de dommages de blessures corporelles voire de la mort et annuleront votre garantie N utilisez pas le...

Page 29: ...isations en acier inoxydable Pompe int gr e et r servoir tampon de 1 5 litre 0 4 gallon US pour recirculation interne et externe mod le A2 seulement 2 2 Pi ces du chauffe eau Conduit d vacuation du ga...

Page 30: ...az propane d Principal secondaire Indique si le chauffe eau est un appareil principal ou un appareil secondaire du syst me en cascade e tat d bit Affiche l tat de fonctionnement y compris l tat de vei...

Page 31: ...ez sur le bouton marche arr t Lorsque vous allumez l appareil pour la premi re fois vous devez suivre l assistant de d marrage La temp rature s affichera sur le panneau avant apr s l allumage de l app...

Page 32: ...n technique au 1 800 519 8794 2 Appuyez sur le bouton Haut ou le bouton Bas jusqu ce que la temp rature voulue s affiche l cran Le r glage de la temp rature s effectue lorsque l affichage clignote Lor...

Page 33: ...uffe eau Vous devez vidanger le chauffe eau avant de r aliser des travaux d entretien comme par exemple nettoyer le filtre d arriv e d eau ou faire en sorte que le chauffe eau ne g le pas en cas de no...

Page 34: ...on de nettoyage dilu e l eau 3 tuyaux Une pompe de circulation d eau Pour rincer l changeur thermique A A B B C C D D Kit Navien Easy valve Conduite d eau froide Conduite d eau chaude Pompe de circula...

Page 35: ...5 Connectez l un des tubes l orifice de sortie de la pompe de circulation et la conduite d eau froide au niveau de la vanne B 6 Connectez un tuyau l orifice d entr e de la pompe de circulation et pla...

Page 36: ...chauffe eau 4 5 Nettoyage du filtre d arriv e d air Si le filtre d arriv e d air est bouch par de la poussi re ou de la charpie le chauffe eau cesse de fonctionner et le message Error Code 110 Code d...

Page 37: ...es dommages provoqu s par le gel surviennent le plus souvent en raison d un refoulement caus par une pression n gative dans le b timent Il ne s agit pas d un d faut de fabrication Par cons quent Navie...

Page 38: ...t sur le panneau avant pour teindre le chauffe eau 2 Fermez la soupape gaz Ouverte Soupape gaz Ferm e 3 Ouvrez le robinet d eau chaude se trouvant le plus pr s du chauffe eau 4 Utilisez un s che chev...

Page 39: ...oyer le filtre d arriv e d eau et le filtre d arriv e de recyclage la page 13 Ouvrez le robinet d eau chaude fond Si un code d erreur s affiche reportez vous la section 5 2 Comprendre les codes d erre...

Page 40: ...ance technique au 1 800 519 8794 E046 Fonctionnement anormal contr le de limite Communiquez avec l assistance technique au 1 800 519 8794 E047 Thermostat d vacuation thermistance ouverte ou court circ...

Page 41: ...en cascade Communiquez avec l assistance technique au 1 800 519 8794 E740 Fonctionnement anormal capteur de temp rature externe lorsque l appareil de traitement d air est activ Communiquez avec l ass...

Page 42: ...mmuniquer avec l installateur d origine du produit Navien Si l installateur d origine ne peut pas tre identifi l utilisateur final ou le propri taire peut communiquer avec le service administratif tec...

Page 43: ...miter le retrait de tout composant ou pi ce ajout de composants non approuv s d placement du produit de son lieu d installation d origine ou tout dommage accidentel ou intentionnel du produit Installa...

Page 44: ...Notes...

Page 45: ...Notes...

Page 46: ...Notes...

Page 47: ......

Page 48: ...ontact a licensed professional for the affected system for example a plumber or electrician When you contact Technical Support please have the following information at hand Model number Serial number...

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