FOR USE IN RESIDENTIAL OR MANUFACTURED HOME APPLICATIONS.Installation must conform with local codes, or in the absence of local codes, the National Fuel Gas Code, ANSI Z223.1 / NFPA54 - latest edition and/or the Natural Gas and Propane Installation Code CSA B149.1 - latest edition.When applicable, installation must conform with the Manufactured Home Construction and Safety Standard, Title 24 CFR,Part 3280 or the Canadian Standard CAN/CSA-Z240 MH Mobile Homes, Series M86.Noritz America reserves the right to discontinue, or change at any time, the designs and/or specifications of its productswithout notice.Contact Noritz America at 1-866-766-7489, if you have any questions or concerns.CONDENSING TANKLESS GAS WATER HEATERInstallation ManualModels : EZ111DV (GQ-C3260WX-FF US)EZ98DV (GQ-C2860WX-FF US)NORITZ America CorporationRequests to Installers• In order to use the Water Heater safely, readthis installation manual carefully, and follow theinstallation instructions.• Failures and damage caused by erroneous workor work not as instructed in this manual are notcovered by the Noritz America Limited Warranty.• Check that the installation was done properly inaccordance with this Installation Manual uponcompletion.• After completing installation, either place thisInstallation Manual and Owner’s Guide (thewarranty registration information included) ina plastic pouch and attach it to the side of theWater Heater (or the inside of the pipe coveror recess box if applicable), or hand it to thecustomer to retain for future reference. For thewarranty conditions and limitations, see theOwner’s Guide.CAUTIONIf the information in these instructions is notfollowed exactly, a fire or explosion may resultcausing property damage, personal injury ordeath.• Do not store or use gasoline or otherflammable vapors and liquids in the vicinity ofthis or any other appliance.• WHAT TO DO IF YOU SMELL GAS- Do not try to light any appliance.- Do not touch any electrical switch; do not useany phone in your building.- Immediately call your gas supplier from aneighbor’s phone. Follow the gas supplier’sinstructions.- If you cannot reach your gas supplier, call thefire department.• Installation and service must be performed bya qualified installer, service agency or the gassupplier.WARNINGLow NOx Approved by SCAQMD14 ng/J or 20 ppm(Natural Gas Only)SBB8164-1Rev. 11/20