Why does my Noritz ecoTOUGH NRC98-DV Water Heater unit not attempt to ignite?
- CChristina CarterJul 30, 2025
Your Noritz Water Heater might not attempt to ignite due to reversed plumbing or crossed pipes. Also, check the water drain valve filter.
Why does my Noritz ecoTOUGH NRC98-DV 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 ecoTOUGH NRC98-DV 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.
Type | Tankless |
---|---|
Category | Residential |
Fuel Type | Gas |
Gas Type | Natural Gas |
Flow Rate | 9.8 GPM |
Activation Flow Rate | 0.5 GPM |
Condensing | Yes |
Temperature Range | 100°F - 140°F |
Control Type | Digital |
Minimum BTU Input | 15, 000 BTU/h |
Warranty | 5 years on parts |
Electrical Requirements | 120V |
Venting | 2-inch PVC/CPVC |
Heat Exchanger | Copper |
Ignition System | Electronic |
Lists models and critical safety warnings for gas leaks and explosions.
Explains safety icons (DANGER, WARNING, CAUTION) and hazards from flammable liquids.
Crucial advice to prevent severe burns from high water temperatures.
Safety guidelines for unit operation, gas valve handling, and installation hazards.
Information on explosion risks, gas leaks, and handling the pressure relief valve.
Safety regarding exhaust vents, combustibles, clearances, and carbon monoxide.
Instructions for preparing the water heater before its first use.
How to turn the unit on and set the initial desired water temperature.
Critical safety measures to avoid scalding from high water temperatures.
Procedure for setting and adjusting the water temperature using the remote controller.
Steps to change the upper limit of the hot-water supply temperature.
DANGER warning about refilling the condensate trap to prevent hazardous gas entry.
Diagnosing and resolving problems with water temperature, including too hot or too cold.
Explanation of error codes displayed on the remote controller and recommended actions.