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Gwendolyn JohnsonAug 17, 2025
What to do if Noritz Water Heater detects scale build-up?
- KKatrina HallAug 17, 2025
If your Noritz Water Heater detects scale build-up in the Heat Exchanger, it needs to be flushed to remove the scale.
What to do if Noritz Water Heater detects scale build-up?
If your Noritz Water Heater detects scale build-up in the Heat Exchanger, it needs to be flushed to remove the scale.
How to fix fluctuations in hot water temperatures in my Noritz EZTR40-NG?
If you notice fluctuations in your Noritz Water Heater's hot water temperatures, try cleaning the water filter to remove any debris.
Why has the amount of hot water decreased in my Noritz EZTR40-NG Water Heater?
If the amount of hot water available from your Noritz Water Heater has decreased, the water filter may be clogged.
How to fix ignition error on Noritz EZTR40-NG?
If you are experiencing an ignition error with your Noritz Water Heater, check if the gas valve is open. Unplug the unit or turn it off using the optional remote controller, open a hot water fixture, and then turn the unit back on. If the error doesn't return, the problem is resolved.
What to do if Noritz EZTR40-NG has abnormal combustion due to clogged air inlet filter?
If your Noritz Water Heater is experiencing abnormal combustion due to a clogged air inlet filter, clean the air inlet filter.
What to do if the light on the power button does not come on on Noritz EZTR40-NG?
If the light on the power button of your Noritz Water Heater does not come on, check for a power failure and ensure the power is connected properly.
Why does white smoke come out of the exhaust vent on a cold day from Noritz EZTR40-NG Water Heater?
If you notice white smoke coming out of the exhaust vent of your Noritz Water Heater on a cold day, this is normal. The white smoke is actually steam.
Why is the hot water turbid from my Noritz EZTR40-NG?
If the hot water from your Noritz Water Heater is turbid, this is harmless. Small bubbles appear as the air in the water is heated and depressurized rapidly to atmospheric pressure.
Why does the water appear blue from my Noritz Water Heater?
If the water from your Noritz Water Heater appears blue, this coloration may be from small traces of copper ion contained in the water. However, there are no problems concerning health.
Why Noritz EZTR40-NG Water Heater does not fire when water is flowing?
If your Noritz Water Heater does not fire when water is flowing due to high supply water temperature, the unit will not fire because it will overheat the outlet water.
General| Brand | Noritz |
|---|---|
| Model | EZTR40-NG |
| Category | Water Heater |
| Language | English |
