Why is the water from my Navien Water Heater too hot?
- KkathrynsmithAug 7, 2025
The water temperature from your Navien Water Heater might be too hot because the set temperature is too high. Check the water heater’s temperature setting.
Why is the water from my Navien Water Heater too hot?
The water temperature from your Navien Water Heater might be too hot because the set temperature is too high. Check the water heater’s temperature setting.
Why is the water from my Navien Water Heater not hot enough?
The water from your Navien Water Heater may not be hot enough if the set temperature is too low. In this case, check the water heater’s temperature setting. Also, check for cross plumbing between the cold and hot water lines.
What to do if no water comes out when the hot water tap is opened for Navien NHW700?
If no water is coming out of your Navien Water Heater when you open the hot water tap, ensure that the shut–off valves on the hot and cold pipes are open.
Brand | Navien |
---|---|
Model | NHW700 |
Category | Water Heater |
Language | English |
Defines safety alert symbols like DANGER, WARNING, CAUTION, NOTICE used in the manual.
Provides crucial safety instructions to prevent fire, explosion, or death from gas leaks.
Advises on setting water temperature to prevent scalding, especially for children and the elderly.
Warns about gas supply, flammable liquids, combustibles, and electrical safety during operation.
Emphasizes proper venting to prevent carbon monoxide poisoning and electrical shock hazards.
Lists cautions for attempting repairs, operating with issues, children's access, and water/gas supply.
Describes the NHW700-A series water heater models and their features.
Identifies key parts of the water heater through front and bottom views.
Explains the functions of buttons and indicators on the indoor model's front panel.
Details the LCD display, buttons, and indicators of the remote controller for outdoor/indoor models.
Instructs how to turn the water heater on or off using the power button on the unit or remote.
Guides users on how to adjust the water temperature using the up/down buttons.
Explains how to access and view basic information like flow rate and temperatures on the indoor unit.
Describes how to reset the water heater to resolve error messages.
Details how to activate/deactivate temperature lock mode to prevent accidental changes.
Provides step-by-step instructions for setting the clock on the remote controller.
Explains how to set the activation and deactivation times for the recirculation feature.
Describes how to manually start the recirculation feature regardless of the timer.
Details the procedure to cancel all timer settings by pressing specific buttons.
Provides instructions on how to clean the outside of the water heater safely.
Explains the initial steps for draining the water heater before maintenance.
Continues the draining procedure, including closing valves and removing filters.
Offers instructions and warnings for flushing the heat exchanger due to water quality.
Presents a table of contaminant levels and recommended treatment/flushing frequencies.
Provides a detailed step-by-step guide for flushing the heat exchanger using a kit.
Explains how to remove, rinse, and reinsert the cold water and recirculation inlet filters.
Offers guidelines and notices regarding protection against freezing and warranty.
Details how to ensure the water heater does not freeze, including power supply and draining.
Provides steps to follow if the water heater is suspected to be frozen.
Presents a chart of common problems, their causes, and solutions.
Outlines the warranty duration for labor, parts, and heat exchanger based on application.
Explains the procedure for obtaining warranty service and required documentation.
Lists conditions and actions that will void the Navien limited warranty.
Details explicit warranty limitations and disclaimers regarding merchantability and fitness for purpose.