DIY Plumbing Help

Electric Water Heater Repair — How to Make Sure It's Done Right

Written by Mark Crumpler | Apr 16, 2025 11:00:00 AM
 

For many homeowners in Central Ohio, an electric water heater is a reliable source of hot water—until it’s not. Whether you're dealing with lukewarm showers or a completely cold tank, knowing how to handle electric water heater repair can save you time, money, and frustration.

Here's a comprehensive guide on what to watch for in your electric water heater, when it's crucial to seek professional assistance, and how to effectively prevent the most common issues that can arise. By understanding these key aspects, you can ensure your water heater operates efficiently and reliably, minimizing disruptions to your daily routine.

We'll provide some detail into the signs that indicate potential problems, the importance of timely professional intervention, and the preventive measures you can take to extend the lifespan of your unit.

Whether it's recognizing unusual noises, addressing temperature inconsistencies, or performing regular maintenance, this guide will equip you with the knowledge to keep your electric water heater in optimal condition.

Signs Your Electric Water Heater Needs Repair

Most issues don’t come out of nowhere. There are usually early indicators that something’s going wrong. Watch for these common signs:

  • No hot water: This could indicate a tripped circuit breaker, a failed heating element, or a faulty thermostat. If your water heater isn't producing any hot water at all, it's time to troubleshoot or schedule a repair.

  • Water that’s too hot or not hot enough: This typically points to thermostat trouble, which can be fixed without replacing the entire unit.

  • Unusual noises: Clicking or hissing may be signs of mineral buildup around the heating elements.

  • Leaks around the tank base: Even small drips can indicate pressure issues, corrosion, or cracks that shouldn’t be ignored.

  • Discolored or smelly water: Rusty or metallic water may signal corrosion inside the tank, while odors could be caused by bacterial growth on the heating elements.

We once visited a homeowner in Upper Arlington who noticed their water temperature was inconsistent and occasionally smelled metallic. A quick inspection revealed sediment buildup on the lower heating element. After replacing the part and flushing the tank, their system returned to normal—without needing a full replacement.

Troubleshooting Tips Before You Call

While some repairs should only be handled by professionals, there are a few things you can check safely:

Check the breaker box: 

If you discover that your water heater’s circuit breaker has tripped, it’s important to address this issue promptly to restore your hot water supply. Begin by locating your home’s electrical panel, which is typically found in a utility room, basement, or garage. Once you’ve identified the correct breaker for your water heater, switch it to the "off" position to ensure it is fully reset. After a brief pause, flip the breaker back to the "on" position. This simple action can often resolve the problem by resetting the electrical connection and allowing your water heater to function properly again. However, if the breaker continues to trip, it may indicate a more serious electrical issue that requires professional attention.

Inspect the reset button: 

Locate the red reset button on the upper thermostat panel of your electric water heater.

This button is a crucial component designed to safeguard your system from overheating. If your water heater has stopped functioning, pressing this reset button can often restore its operation.

When the system overheats, the reset button may trip as a safety measure, cutting off power to prevent damage. By pressing the button, you can reset the system, allowing it to resume normal functionality.

However, if the button continues to trip frequently, it may indicate a more serious underlying issue that requires professional attention to ensure the safety and efficiency of your water heater.

Verify thermostat settings: 

The ideal temperature setting for your electric water heater is approximately 120°F. This temperature is optimal for several reasons. If the temperature is set too low, the water may not feel sufficiently hot, which can be inconvenient for daily activities such as showering or washing dishes. On the other hand, setting the temperature too high can lead to unnecessary energy consumption, as the heater works harder to maintain a higher temperature, thereby increasing your utility bills. Moreover, excessively hot water poses a risk of burns, especially for children and the elderly, who may have more sensitive skin. Therefore, maintaining the water heater at around 120°F strikes a balance between comfort, safety, and energy efficiency, ensuring that your household has a reliable supply of hot water without the associated risks or costs.

If none of these steps resolve the issue, it's best to reach out to a licensed plumber for a thorough diagnosis.

What to Expect from Electric Water Heater Repair

Engaging the services of a professional ensures that your electric water heater is restored to optimal functionality both swiftly and securely.

  1. Safety first: We always disconnect power at the breaker before working on your system.

  2. Component testing: We check both upper and lower heating elements, thermostats, and wiring for continuity and function.

  3. Tank inspection: We examine the tank for sediment, corrosion, and pressure-related wear.

  4. Upfront pricing: You’ll get a clear estimate before any work begins, with no surprises.

  5. Thorough testing: After repairs, we test water temperature and pressure to ensure everything’s working as it should.

One Dublin homeowner called us after their 15-year-old electric unit failed entirely. While it could have been repaired, we recommended a high-efficiency upgrade instead—helping them lower their energy bills and enjoy more consistent hot water year-round.

Preventing Future Problems

Electric water heaters, while requiring minimal upkeep, are not entirely maintenance-free. By implementing a few preventive measures each year, you can significantly extend the lifespan of your unit. An annual maintenance routine should include flushing the tank to clear out sediment, which helps maintain efficiency and prevents overheating.

It's also important to inspect the anode rod, a component that protects the tank from rust, and replace it every three to five years to prevent corrosion. Checking the thermostat settings to ensure the temperature is maintained at 120°F is crucial for optimal comfort and efficiency. Additionally, conducting a quick monthly inspection at the base of the tank can help you detect early leaks before they escalate into more significant issues. We recommend incorporating these steps into your home plumbing maintenance routine, and if you have any questions, our team is here to assist you.

Why Professional Repairs Matter

Ensuring that your repair adheres to safety codes and local regulations is of utmost importance. Compliance with these standards not only guarantees the safety and reliability of your system but also ensures that you are meeting the legal requirements set forth by your local authorities.

This diligence in following regulations can prevent potential legal issues and fines, providing peace of mind that your repair work is both safe and lawful. Adhering to these codes often involves using approved materials and methods, which can enhance the overall quality and durability of the repair.

In addition to meeting safety and regulatory standards, maintaining your manufacturer’s warranty is another critical aspect of a successful repair. By addressing the root problems rather than merely treating the symptoms, you ensure that your system operates at peak efficiency. This proactive approach not only extends the lifespan of your equipment but also optimizes its performance, leading to long-term savings on energy costs and future repairs. By focusing on comprehensive solutions, you preserve the integrity of your warranty, which can be invaluable in covering unexpected issues that may arise, thus safeguarding your investment for years to come.

Partner with Central Ohio’s Trusted Plumbing Experts

At Crawford Mechanical Services, we’ve been helping homeowners across Columbus, Bexley, Grove City, and beyond with honest guidance and reliable water heater installation for over 30 years. Whether you need a standard replacement or want to explore energy-efficient options, our team is here to walk you through every step of the process.

At Crawford Mechanical Services, we take pride in having assisted thousands of homeowners throughout Central Ohio with our swift and professional water heater repair services. Our team of experienced technicians is dedicated to ensuring your home remains a haven of warmth and comfort, no matter the season.

Whether your water heater requires a minor adjustment or a complete replacement, we are committed to delivering solutions that meet your needs efficiently and effectively.

Don't let a faulty water heater disrupt your daily routine. Reach out to us today to schedule a visit, and let our trusted experts restore your hot water supply with the care and expertise you deserve.