To Next PageTo Next PageWhy does my Noritz Water Heater unit not attempt to ignite?
Your Noritz Water Heater might not attempt to ignite due to reversed plumbing or crossed pipes. Also, check the water drain valve filter.
What to do if my Noritz NRC98-DV Water Heater attempts to ignite but fails?
If your Noritz Water Heater attempts to ignite but fails, it could be due to air in the gas line. Reset the unit and try again. If the problem persists, have a professional check the gas supply pressure.
General| Type | Tankless |
|---|---|
| Category | Residential |
| Fuel Type | Gas |
| Gas Type | Natural Gas or Propane |
| Maximum Flow Rate | 9.8 GPM |
| Weight | 55 lbs |
| Condensing | Yes |
| Voltage | 120V |
| Heat Exchanger Material | Copper |
| BTU Input Range | 15, 000 - 199, 000 BTU |
| Warranty | 12 years heat exchanger, 5 years parts |
| Water Connection Size | 3/4 inch NPT |
| Gas Connection Size | 3/4 inch NPT |
| Maximum BTU Output | 199, 000 BTU/h |
Immediate actions to take if a gas leak is detected.
Explains the meaning of hazard warning symbols and levels (DANGER, WARNING, CAUTION).
Explains additional safety icons used in the manual.
Specifies required clearances and prohibited locations for proper installation.
Advises on water quality, unit cleaning, and operational limitations.
Steps to take to prevent damage from freezing.
Describes the discharge of condensate from the unit and its properties.
Explains the normal occurrence of white steam from the vent.
Identifies key parts of both indoor and outdoor mounted units via diagrams.
Describes the buttons, display, and indicators on the remote controller.
Outlines the necessary preparations before operating the water heater for the first time.
Instructions on how to set the desired water temperature using the remote.
Explains how to set the flow meter alarm for tub filling indication.
Instructions on how to mute the operational sounds of the remote controller.
Guide to adjusting the maximum hot-water supply temperature limit.
Procedures for protecting the unit and pipes in extremely cold conditions.
Steps to follow if the water heater or its pipes have frozen.
Instructions for safely draining the water heater for extended storage.
Emphasizes refilling the condensate trap to prevent dangerous gas entry.
A list of components and areas to inspect regularly.
Guidance on cleaning the water heater and its remote controller.
Detailed instructions for cleaning the filter in the water drain valve.
Describes the benefits and availability of optional isolation valves.
Common issues encountered when first starting the unit.
Solutions for when hot water is too hot, too cold, or takes time to heat.
Troubleshooting for fluctuating or insufficient hot water supply.
Solutions for problems with the remote controller's functionality.
Explains normal sounds and troubleshooting for other operational problems.
Addresses issues like blue water and frequent drain discharge.
How to interpret and resolve error codes displayed on the controller.
Details actions for specific error codes like 05, 90, 99.
Procedure to reset the service reminder after maintenance.
Steps and information needed to request technical support.
Explains warranty coverage, registration, and repair policies.
Information on the period for which repair parts are stocked.
Guidelines for relocating and reinstalling the water heater.
Information on conversion kits and required parts for changing gas types.
Critical safety warnings and requirements for qualified installers.
Lists dimensions, power, materials, and safety devices for NRC98 models.
Details gas consumption, flow rates, and temperature settings for NRC98 models.
Lists dimensions, power, materials, and safety devices for NRC83 models.
Details gas consumption, flow rates, and temperature settings for NRC83 models.
