How Do I Reset My Navien Water Heater?

To reset your navien water heater, follow these steps: turn off the power supply to the heater, locate the reset button on the front panel, and press it for 3 seconds. Then, turn on the power supply again to complete the reset process.

A navien water heater can sometimes encounter issues that require a reset. Whether it’s due to a malfunction or a change in settings, resetting the water heater can provide a solution. By following a simple process, you can restore the heater to its default settings and ensure it operates efficiently.

We will guide you through the steps to reset your navien water heater. So, if you’re experiencing any problems and need to recalibrate your water heater, keep reading to learn how to reset it quickly and effortlessly.

How Do I Reset My Navien Water Heater?


Understanding Navien Water Heater Reset

Having trouble with your navien water heater? Sometimes a simple reset can solve the problem. Understanding how to reset your navien water heater correctly is important to ensure the system functions optimally and to avoid any potential issues. In this section, we will explore the reasons for needing a reset and the importance of resetting correctly.

Reasons For Needing A Reset

There can be several reasons why you may need to reset your navien water heater. Here are some common scenarios:

  • Power interruption: If there has been a power outage or surge, it can sometimes cause the water heater to stop working. Resetting the system can help restore normal operation.
  • Error codes: Navien water heaters have built-in error codes that indicate specific issues. If you see an error code on the display, resetting the unit may clear the code and allow the heater to function again.
  • Overheating: In some cases, the water heater may overheat due to a failure in the internal thermistor or other components. Resetting the system can help resolve this issue and prevent further damage.

Importance Of Resetting Correctly

Resetting your navien water heater correctly is crucial to avoid complications and ensure efficient performance. Here’s why it matters:

  • Resolving minor issues: Many problems with the water heater can be fixed by simply resetting the system. This saves you time and money by avoiding unnecessary service calls or repairs.
  • Clearing error codes: Error codes are a helpful diagnostic tool, but they can disrupt the normal operation of the heater. Resetting the system can clear these codes and allow the water heater to function as intended.
  • Restoring functionality: Resetting the water heater can help it return to normal operation after a power interruption or other similar issues. It allows the system to recalibrate and resume heating water efficiently.
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To reset your navien water heater, refer to the manufacturer’s instructions or follow these general steps:

  • Locate the control panel of your navien water heater.
  • Look for the reset button or power disconnect switch.
  • Press and hold the reset button or flip the power disconnect switch off and then on again.
  • Wait for a few minutes to allow the system to restart.
  • Observe the display or indicator lights to ensure normal operation.

Remember, if you are unsure about the reset procedure or experience recurring issues, it is always recommended to consult a professional technician or contact navien customer support for assistance.

By understanding the reasons for needing a reset and the importance of resetting correctly, you can effectively troubleshoot and address any issues with your navien water heater.

Step-By-Step Guide To Resetting Navien Water Heater

Is your navien water heater acting up and in need of a reset? Don’t worry, we’ve got you covered! In this step-by-step guide, we will walk you through the process of resetting your navien water heater, ensuring a safe and efficient reset.

So let’s get started!

Proper Preparation Before Resetting

Before diving into the reset process, it’s important to take a few preparatory steps to ensure a smooth experience. Here’s what you need to do:

  • Turn off the power: Locate the power switch for your navien water heater and switch it off to prevent any electrical mishaps during the reset.
  • Check the gas supply: Ensure that the gas supply to the water heater is turned off. Safety first!
  • Ventilation is key: Make sure the area around the water heater is properly ventilated to allow for safe operation.

Locating The Reset Button And Controls

Now that you’ve taken the necessary precautions, it’s time to locate the reset button and controls on your navien water heater. Follow these steps:

  • Find the control panel: Look for the control panel on your navien water heater. It is usually located on the front or side of the unit.
  • Identify the reset button: Look for a small button with the word “reset” or a circular arrow symbol. This is the reset button you need to press.

Resetting The Water Heater Safely

Now that you’ve found the reset button, it’s time to reset your navien water heater. Follow these steps carefully:

  • Press and hold the reset button: Using a small tool or your finger, press and hold the reset button for about 5 seconds. Keep holding until the unit’s display starts flashing or shows the reset process has begun.
  • Wait for the reset process to complete: Allow the heater to go through the reset process. This may take a few minutes. Be patient and avoid any interference during this time.
  • Check the display: Once the reset process is complete, check the display for any error codes or messages. If everything looks normal, you’re good to go!
  • Restore power and gas supply: Turn the power and gas supply back on by reversing the steps from the preparation stage.
  • Test the water heater: Finally, check if your navien water heater is functioning properly by running hot water and ensuring the desired temperature is reached.
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Congratulations! You have successfully reset your navien water heater. If you continue to experience any issues or have further questions, it’s always recommended to consult the manufacturer’s manual or contact a professional for assistance. Stay safe and enjoy your reliable hot water supply!

Troubleshooting Common Issues With Navien Water Heater Reset

Are you experiencing issues with your navien water heater? Don’t worry, we’ve got you covered! In this section, we will troubleshoot some common problems that can be resolved by simply resetting your navien water heater. Let’s dive in and get your hot water flowing again!

No Hot Water After Resetting

If you’ve reset your navien water heater but still find yourself without hot water, here are a few possible reasons and solutions:

  • Insufficient gas supply: Check if the gas supply valve is open and the gas line is not blocked. If necessary, consult a professional to assess and resolve any gas supply issues.
  • Low water pressure: Ensure that the water pressure is within the recommended range. If not, adjust the pressure accordingly. A professional plumber can help you determine the correct pressure level.
  • Tripped circuit breaker: Examine your circuit breaker to see if it has tripped. If it has, reset the breaker and monitor the water heater for further issues.
  • Ignition failure: If the water heater isn’t igniting, it may be due to a faulty igniter or gas valve. Contact a qualified technician to diagnose and repair the problem.

Error Codes And Their Meanings

Navien water heaters display error codes to pinpoint specific issues. Familiarizing yourself with these codes can help you troubleshoot problems efficiently. Here are some common error codes and their meanings:

  • Code: 001 – flow sensor

Explanation: this code indicates a problem with the flow sensor. Check for any obstructions or blockages in the water flow and ensure that the sensor is functioning properly.

  • Code: 010 – flame loss

Explanation: this code signifies that the water heater has detected a flame loss. It may be caused by insufficient gas supply, a blocked flue, or a malfunctioning gas valve.

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  • Code: 016 – overheating

Explanation: this code suggests that the water heater has overheated. Check for any obstructions in the venting system and ensure proper ventilation.

  • Code: 026 – abnormal water temperature rise

Explanation: this code indicates an abnormal rise in the water temperature. It may be caused by a faulty circulation pump, temperature sensor, or heat exchanger.

Note: each error code may have multiple potential causes, so it is advisable to consult the navien user manual or contact customer support for further assistance.

When To Call A Professional For Assistance

While troubleshooting and resetting your navien water heater can resolve many issues, there are instances when professional intervention is necessary. Here are a few scenarios where seeking professional assistance is recommended:

  • Persistent error codes: If you continue to experience error codes even after resetting the water heater, it’s best to consult a professional technician. They have the expertise to diagnose and resolve complex issues.
  • Gas-related problems: If you suspect a gas leak, smell gas, or experience difficulties with the gas supply, it’s crucial to seek immediate professional help to ensure safety.
  • Electrical issues: Any problems related to the electrical components of the water heater should be handled by a qualified electrician to prevent any potential hazards.
  • Water leakage: If you notice water leakage around the unit or any signs of water damage, it’s important to have it inspected by a professional plumber to address the issue promptly.

Remember, safety should always come first. If you feel uncertain or uncomfortable dealing with any aspect of your navien water heater, don’t hesitate to reach out to an expert who can provide the necessary support and expertise.


Now that you know how to reset your navien water heater, you can ensure that it continues to operate efficiently and reliably. By following the simple steps outlined in this blog post, you can troubleshoot any issues and resolve them quickly.

Remember to turn off the power, wait a few minutes, and then turn it back on. If you encounter error codes, refer to the user manual for specific instructions. Regular maintenance and awareness of common problems can help prevent the need for resets in the future.

Don’t forget to schedule professional servicing annually to keep your navien water heater in optimal condition. With these tips, you can enjoy hot water without any interruptions or worries. So, keep this guide handy and be prepared whenever you need to reset your navien water heater.

Your comfort and convenience are just a reset away.


I am a mechanical engineer and love doing research on different home and outdoor heating options. When I am not working, I love spending time with my family and friends. I also enjoy blogging about my findings and helping others to find the best heating options for their needs.