SAR8582-2Rev. 09/07NH-2001-DV (Indoor Installation)NH-1501-DV (Indoor Installation)GAS-FIRED DIRECT VENT BOILERNORITZ AMERICACORPORATIONPotential dangers from accidents during installation and use are divided into the following threecategories. Closely observe these warnings, they are critical to your safety.Prohibited DisconnectPower Ground Be sure to doWARNING: If the information in this manual is not followed exactly, a fire or explosion may resultcausing property damage, personal injury or death.DANGER indicates an imminently hazardous situation which,if not avoided, will result in death or serious injury.WARNING indicates a potentially hazardous situation which,if not avoided, could result in death or serious injury.CAUTION indicates a potentially hazardous situation which,if not avoided, may result in minor or moderate injury.DANGERWARNINGCAUTIONRequests to InstallersInstallation must conform with local codes, or in the absence of local codes, theNational Fuel Gas Code, ANSI Z223.1/NFPA 54- latest edition and/or CSAB149.1, Natural Gas and Propane Installation Code (NSCNGPIC).Where required by the authority having jurisdiction, the installation must con-form to the Standard for Controls and Safety Devices for Automatically FiredBoilers, ANSI/ASME CSD-1.Noritz America reserves the right to discontinue, or change at any time, thedesigns and/or specifications of its products without notice.CAUTIONCERTIFIED RLow NOxApproved bySCAQMDNoritz America Corporation11160 Grace Avenue,Fountain Valley, CA 92708www.noritz.com *SAR8582 C*Installation and Instruction Manual• In order to use the boiler safely, read this installation and instruction manual carefully, and followthe installation instructions.• Failures and damage caused by erroneous work or work not as instructed in this manual are notcovered by the warranty.• Check that the installation was done properly in accordance with this installation and instructionmanual upon completion.• After completing installation, please either place this installation and instruction manual in aplastic pouch and attach it to the side of the boiler or hand it to the customer. Also, be sure to fill inall of the required items on the warranty and to hand the warranty to the customer along with theUser's information manual.