Repairing Tankless Water Heater: Expert Guidance from Scott Harrison Plumbing

Jan 4, 2024

Welcome to Scott Harrison Plumbing, your trusted partner in home services, contractors, and plumbing. In this comprehensive guide, we aim to provide you with all the necessary information and guidance to efficiently repair your tankless water heater. Our team of experts has years of experience and is committed to delivering the highest quality service to our valued customers. Whether you are facing minor issues or major challenges with your tankless water heater, we've got you covered. Read on to learn more!

Understanding Tankless Water Heaters

Tankless water heaters, also known as on-demand water heaters, are becoming increasingly popular among homeowners due to their energy efficiency, compact size, and continuous hot water supply. Unlike traditional water heaters with storage tanks, tankless water heaters heat water directly as it flows through the unit, providing hot water on demand. This innovative technology offers several advantages, including reduced energy costs, space-saving design, and longer lifespan.

Common Issues with Tankless Water Heaters

While tankless water heaters offer numerous benefits, they may encounter common issues over time. It's essential to be aware of these issues and have the necessary knowledge to address them promptly. Here are some common problems you might face with your tankless water heater:

  • 1. Lack of Hot Water: If you notice a lack of hot water or experience inconsistent temperatures, it could indicate a problem with the heating element or a buildup of mineral deposits in the system.
  • 2. Error Codes: Tankless water heaters are equipped with error code systems to help identify and troubleshoot specific issues. Understanding these error codes can assist you in diagnosing problems and seeking the appropriate solutions.
  • 3. Water Leaks: Leaks can occur in any plumbing system, including tankless water heaters. Identifying and fixing leaks promptly is crucial to prevent water damage and maintain the efficiency of your unit.
  • 4. Ignition Failure: If your tankless water heater fails to ignite or experiences frequent ignition failures, it may require professional assistance to resolve the issue.

DIY Repair Tips for Tankless Water Heaters

Before contacting a professional plumber, you can try these DIY repair tips to troubleshoot common issues with your tankless water heater:

1. Flushing the System

Over time, mineral deposits can accumulate inside your tankless water heater, leading to reduced efficiency and potential malfunctions. Flushing the system helps remove these deposits and restores optimal performance. Follow these steps to flush your tankless water heater:

  1. Turn Off the Power: Locate the power source and switch off the power supply to the unit.
  2. Close Off Water Supply: Find the water shut-off valve connected to the tankless water heater and close it.
  3. Connect Hoses: Attach a hose to both the hot and cold water valves of the unit. Make sure the other end of each hose is securely connected to a drain or external area.
  4. Open Drain Valve: Open the drain valve on the water heater to allow water to flow out of the unit.
  5. Turn On Cold Water Valve: Open the cold water valve connected to the unit, which helps flush out the mineral deposits.
  6. Flushing Process: Let water flow through the system for around 20-30 minutes or until the water runs clear.
  7. Close Drain Valve: Once flushing is complete, close the drain valve and disconnect the hoses.
  8. Restore Power and Water Supply: Turn on the power and reopen the water supply to the tankless water heater.

2. Checking for Leaks

Water leaks can lead to extensive damage if left unaddressed. Follow these steps to check for leaks on your tankless water heater:

  1. Visual Inspection: Carefully examine the unit, pipes, and connections for any visible signs of leaks, such as water puddles or drips.
  2. Check Pressure Relief Valve: The pressure relief valve is a crucial component of your water heater. Ensure it is not leaking by observing any water discharge or unusual sounds.
  3. Inspect Water Connections: Check all water connections for any loose fittings or damaged seals. Tighten or replace as necessary.
  4. Monitor Water Meter: Turn off all water sources in your home, including faucets and appliances. Monitor the water meter and check if it continues to run, indicating a potential leak in the system.

When to Seek Professional Help

While DIY repairs can solve some common issues, certain situations require the expertise of a professional plumber. It's important to recognize when it's time to reach out to a professional for assistance:

  • 1. Complex Repairs: If the issue is beyond your expertise or requires in-depth knowledge of the tankless water heater system, it's best to consult a professional plumber.
  • 2. Gas-Related Problems: If you suspect a gas leak, notice a strong gas odor, or experience issues with the gas supply to your tankless water heater, contact a professional immediately to ensure safety.
  • 3. Warranty Considerations: Repairing or troubleshooting your tankless water heater system on your own can potentially void the warranty. It's advisable to rely on a professional to protect your warranty coverage.

Hire Scott Harrison Plumbing for Expert Tankless Water Heater Repairs

For all your tankless water heater repair needs, Scott Harrison Plumbing is here to provide exceptional service and ensure reliable, efficient, and long-lasting solutions. With our experienced team of plumbers, state-of-the-art equipment, and commitment to customer satisfaction, we guarantee top-notch repairs that will exceed your expectations. Contact us today to schedule an appointment and experience the Scott Harrison Plumbing difference!

repairing tankless water heater