Noritz N-0751M User Manual

SAR8558-2
Rev. 03/08
Model N-0751M
TANKLESS GAS WATER HEATER
Owner’s Guide
*SAR8558 T*
NORITZ America Corporation
Thank you for purchasing this Noritz Tankless Gas Water Heater.
Before using, please:
Read this manual completely for operation instructions.
Completely fill out the warranty registration card (included separately) and
mail the detachable portion to Noritz America Corporation.
Keep this manual (and the remainder of the warranty registration card) where it
can be found whenever necessary.
Installation must conform with local codes, or in the absence of local codes,
the National Fuel Gas Code, ANSI Z223.1/NFPA 54.
Noritz America reserves the right to discontinue, or change at any time, the
designs and/or specifications of its products without notice.
Low NOx
Approved by
SCAQMD
CERTIFIED
R
- Do not store or use gasoline or other flammable vapors and liquids in the
vicinity of this 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 use any phone in your building.
• Immediately call your gas supplier from a neighbor’s phone. Follow the
gas supplier’s instructions.
• If you cannot reach your gas supplier, call the fire department.
- Installation and service must be performed by a qualified installer, service
agency or the gas supplier.
If the information in this manual is not followed exactly, a fire or explosion
may result causing property damage, personal injury, or death.
WARNING

Noritz N-0751M Specifications

General

Brand	Noritz
Model	N-0751M
Category	Water Heater
Language	English

Summary

Important Safety Information

Warning Iconography and Risk Levels

Explains DANGER, WARNING, CAUTION icons, and general hazard symbols.

Flammable Liquids and Scalding Hazards

Details risks associated with flammable vapors and high water temperatures causing burns.

Operational Safety Precautions

Exhaust System and Gas Safety

Covers safe operation of the exhaust system and precautions for gas leaks.

Ignition, Water Damage, and Valve Safety

Advises against manual ignition, handling water-damaged units, and proper valve operation.

Emergency Procedures and Explosion Hazards

Outlines actions for gas leaks, abnormal combustion, and pressure relief valve safety.

Installation and Environmental Safety

Installation Clearance and Location Requirements

Specifies safe distances for vent terminals and installation area requirements.

Combustible Materials and Air Quality

Carbon Monoxide Prevention and Codes

Highlights carbon monoxide risks and emphasizes adherence to installation codes.

Usage, Maintenance, and Freezing Safety

Electrical, Maintenance, and Unit Coverage Safety

Remote Controller Functions

Preventing Damage from Freezing

Automatic Freeze Prevention System

Manual Freezing Protection Measures

Provides steps for protecting the unit and plumbing in extremely cold conditions.

Draining Procedure for Long-Term Storage

Troubleshooting Common Issues

Initial Operation and Ignition Problems

Temperature and Flow Rate Issues

Addresses concerns about water temperature, flow rate, and heating performance.

Hot Water Volume and Alarm Problems

Error Code Diagnosis and Resolution

Explains how to interpret and resolve specific error codes shown on the remote controller.