Back to blogs

Expert Guide: How to Reset Tankless Water Heater Safely

Welcome to my expert guide on how to reset a tankless water heater safely. Whether you're facing a lack of hot water or encountering error messages, resetting your tankless water heater can often resolve these common issues. In this guide, I will provide step-by-step instructions to help you troubleshoot and reset your tankless water heater effectively. By following these instructions, you can ensure that your tankless water heater is working efficiently and providing you with endless hot water when you need it. Trust me, the expert, and let's get started on resetting your tankless water heater.

Key Takeaways:

  • Resetting a tankless water heater is a simple task that can solve common issues.
  • Follow the step-by-step instructions provided in this guide to reset your tankless water heater safely.
  • If the reset button doesn't resolve the issue, check for loose wiring or faulty heating elements.
  • Gas tankless water heaters require relighting the pilot and following the manufacturer's instructions for resetting.
  • After resetting, the heating time may vary depending on the size of the tankless water heater.

Understanding Tankless Water Heaters

Tankless water heaters are a popular choice for homeowners looking for an energy-efficient alternative to traditional water heaters. Unlike conventional water heaters that store and heat a large tank of water, tankless water heaters heat water on demand. This means that they only use energy when hot water is needed, resulting in cost savings and a continuous supply of hot water.

However, like any appliance, tankless water heaters can sometimes encounter issues, leaving you with a lack of hot water or a malfunctioning unit. Understanding the common problems and troubleshooting techniques can help you resolve these issues and get your tankless water heater back in working order.

Common Issues with Tankless Water Heaters:

  • Low water flow
  • Mineral buildup
  • Ignition failure
  • Overheating
  • Gas or water leak

Each of these issues requires specific troubleshooting steps to identify and address the problem. Consulting the owner's manual or seeking professional assistance may be necessary for complex issues.

By understanding the basics of tankless water heaters and their common issues, you can take the necessary steps to troubleshoot your unit effectively and ensure a reliable supply of hot water in your home.

https://www.youtube.com/watch?v=-b07AfE4HNA

How to Reset an Electric Tankless Water Heater

Resetting an electric tankless water heater is a simple process that can help resolve common issues. To begin, you need to locate the reset button on the water heater. In most cases, the reset button is located on the upper thermostat of the unit. If you cannot find it there, check the lower part of the water heater as some models have a reset button in each location. Once you have located the reset button, simply press it to reset the water heater.

If pressing the reset button doesn't result in a click or reset of the water heater, there may be underlying issues with the thermostat or a grounded element. In this case, it is recommended to consult a professional or refer to the owner's manual for further troubleshooting steps. It's important to ensure the safety and proper functioning of the water heater.

Table: Troubleshooting Steps for Resetting an Electric Tankless Water Heater

Issue Troubleshooting Steps No click or reset when pressing the reset button

  • Check for faulty thermostat
  • Inspect for grounded element
  • Consult professional or refer to owner's manual

By following these simple steps and troubleshooting tips, you can safely reset your electric tankless water heater and potentially resolve any issues you may be experiencing. Remember to prioritize safety and consult a professional if needed.

reset tankless hot water heater

Troubleshooting Tips for Tankless Water Heater Reset

If the reset button on your tankless water heater doesn't resolve the issue, there are a few other troubleshooting tips you can try.

First, check for loose or compromised wiring. Faulty wiring can cause the water heater to malfunction and prevent it from resetting properly. Inspect the connections and ensure they are secure and free from damage. If you find any issues, consult a professional electrician to safely repair or replace the wiring.

Additionally, a short in one or both of the heating elements can also prevent the water heater from working properly. Use a multimeter to test the continuity of the heating elements. If there is no continuity, it indicates a faulty heating element that needs to be replaced.

Lastly, it's important to consider if the issue is specific to the water heater or if there are electrical problems with the home itself. Check the circuit breaker to ensure it hasn't tripped and inspect the electrical connections for any signs of damage. If you suspect a larger electrical issue, it's best to consult a professional electrician to diagnose and resolve the problem.

Common Troubleshooting Tips for Tankless Water Heater Reset:

  • Check for loose or compromised wiring
  • Test the continuity of the heating elements
  • Inspect the circuit breaker and electrical connections
  • Consult a professional electrician for larger electrical issues

By following these troubleshooting tips, you can identify and resolve the underlying cause of the reset issue with your tankless water heater. However, if the problem persists or you are unsure of how to proceed, it is always recommended to seek professional assistance to ensure the safe operation of your water heater.

https://www.youtube.com/watch?v=CN_luJ9_JQo

How to Reset a Gas Tankless Water Heater

If you have a gas tankless water heater and need to reset it, follow these step-by-step instructions to safely get your system back on track.

To begin, you will need to locate the pilot light and relight it. The pilot light is responsible for igniting the gas that heats the water. Consult your owner's manual for specific instructions on how to relight the pilot light for your particular model.

Once the pilot light is relit, you can proceed with resetting the gas tankless water heater. Start by removing the cover of the water heater to access the reset button. The reset button is typically located near the gas valve or on the control panel. Press and hold the reset button for a few seconds until you hear a click.

After resetting the water heater, replace the cover and wait for the system to fully restart. This may take a few minutes. Once the system is operational, check for any error messages or unusual behavior. If everything appears normal, your gas tankless water heater has been successfully reset.

resetting a gas tankless water heater

How Long Does It Take for a Tankless Water Heater to Heat After Reset?

After resetting your tankless water heater, you may be wondering how long it will take for the water to heat up again. The heating time depends on the size of the tankless water heater. In general, gas water heaters can heat water within 30-40 minutes, while electric tankless water heaters may take about 60-90 minutes. It's important to note that the exact heating time may vary based on the specific model and installation conditions. Patience is key, and soon you will have a fully functioning tankless water heater providing hot water on demand.

To illustrate the heating time difference between gas and electric tankless water heaters, consider the following table:

Gas Tankless Water HeaterElectric Tankless Water HeaterHeating Time30-40 minutes60-90 minutes

As seen in the table, gas tankless water heaters typically have a faster heating time compared to electric tankless water heaters. This is due to the different mechanisms and energy sources used for heating.

It's worth noting that the heating time mentioned above is an estimate and can vary depending on various factors, such as the initial temperature of the incoming water, flow rate, and the desired temperature setting. Additionally, certain models of tankless water heaters may have different performance characteristics, so it's always a good idea to refer to the manufacturer's specifications for more accurate information.

Benefits of Tankless Water Heaters

Tankless water heaters offer numerous benefits over traditional water heaters. Here are some of the advantages that make them a popular choice among homeowners:

Endless Hot Water

One of the main advantages of tankless water heaters is that they provide endless hot water. Unlike traditional water heaters that have a limited supply of hot water stored in a tank, tankless water heaters heat water on demand. This means you never have to worry about running out of hot water, even during busy times or long showers.

Energy Efficiency

Tankless water heaters are more energy-efficient compared to traditional water heaters. They only heat water when it's needed, unlike storage tank heaters that continuously heat and reheat water to maintain a set temperature. This results in significant energy savings, lower utility bills, and a reduced environmental impact.

Space-saving Design

Tankless water heaters have a compact and space-saving design. Unlike traditional water heaters that require a large storage tank, tankless water heaters are small and can be installed on a wall, under a sink, or in a closet. This frees up valuable space in your home, making tankless water heaters a great choice for properties with limited space.

Additionally, tankless water heaters tend to have a longer lifespan than traditional water heaters, reducing the need for frequent replacements. Some models even come with warranties, providing added peace of mind.

Advantages of Tankless Water Heaters Endless hot water supply Energy-efficient Space-saving design Longer lifespan Reduced environmental impact

By investing in a tankless water heater, you can enjoy the benefits of continuous hot water, energy efficiency, space savings, and a longer-lasting appliance. Consult with a professional for expert advice and installation to ensure optimal performance and efficiency.

Trust Water Heaters Now for Your Water Heater Needs

When it comes to ensuring your tankless water heater is working efficiently, trust the experts at Water Heaters Now. With years of experience and a team of skilled technicians, we are the trusted choice for water heater services in the greater Twin Cities area of Minnesota. Whether you are experiencing issues with your tankless water heater or need a new installation, our team is here to help.

At Water Heaters Now, we understand the frustration that comes with a tankless water heater not working properly. That's why we offer comprehensive services, including tankless water heater resets, repairs, and installations. Our knowledgeable technicians will diagnose the issue and provide a prompt and effective solution to get your tankless water heater back up and running.

When you choose Water Heaters Now, you can have peace of mind knowing that you are working with a team of professionals who are dedicated to providing top-notch service. We pride ourselves on our expertise, reliability, and customer satisfaction. Contact Water Heaters Now for all your water heater needs and trust us to ensure that your tankless water heater is working efficiently.

https://www.youtube.com/watch?v=LTjuqb0himE

Conclusion

In conclusion, resetting a tankless water heater is a straightforward process that can help resolve common issues and ensure optimal performance. By following the step-by-step instructions and troubleshooting tips provided in this guide, you can safely reset your tankless water heater and restore its functionality.

Remember to consult the owner's manual or seek professional help if needed, especially if the reset button doesn't resolve the issue or if there are underlying electrical problems. Trusting the experts and following these guidelines will help you enjoy the benefits of endless hot water and energy efficiency with a properly functioning tankless water heater.

So, if you're experiencing any problems with your tankless water heater, don't panic. With the steps outlined in this reset guide, you can quickly and effectively troubleshoot and resolve the issue. Take control of your water heating system and ensure it's working efficiently by following these simple steps to reset your tankless water heater.

FAQ

How do I reset a tankless water heater?

To reset a tankless water heater, locate the reset button on the upper thermostat (or lower part for some units) and press it. If the reset button doesn't work, consult a professional or refer to the owner's manual for further troubleshooting steps.

What should I do if the reset button doesn't resolve the issue?

If the reset button on your tankless water heater doesn't solve the problem, check for loose wiring or compromised wiring, inspect the heating elements for shorts, and ensure there are no electrical problems in the home. Consult the owner's manual or seek professional help if needed.

How do I reset a gas tankless water heater?

To reset a gas tankless water heater, relight the pilot and locate the thermal switch for resetting. Consult the owner's manual for specific instructions as the process may vary depending on the manufacturer.

How long does it take for a tankless water heater to heat up after a reset?

The heating time depends on the size and type of tankless water heater. In general, gas water heaters can heat water within 30-40 minutes, while electric tankless water heaters may take about 60-90 minutes. The exact heating time may vary based on the specific model and installation conditions.

What are the benefits of tankless water heaters?

Tankless water heaters provide endless hot water, are more energy-efficient, take up less space, have a longer lifespan, and may come with warranties. They can save on utility bills and reduce environmental impact compared to traditional water heaters.

Who should I trust for water heater needs?

For water heater needs in the greater Twin Cities area of Minnesota, Water Heaters Now is the trusted choice. With years of experience and skilled technicians, they can diagnose and fix any water heater issue, including resets, repairs, and installations of new tankless water heaters.

Lightning fast quotes.

Our water heater experts are standing by to help. Complete our form or call to schedule service.

Get a quoteA picture of a water heaters now technician.