A Guide On Electric Water Heater Troubleshooting

electric-water-heater-troubleshootingElectric water heaters are durable and long-lasting. You’ll definitely be able to take advantage of its benefits for years as long as proper care and maintenance is provided. However, we all know that water heaters are also vulnerable to malfunction especially when they age. And so if you ever find yourself having issues with your electric water heater, you should use this guide to identify what’s causing all the trouble.

No Hot Water At All

If no hot water comes out of your faucets, showers and plumbing appliances, the problem may be caused by a blown fuse or a tripped circuit breaker that powers the water heater. Other causes may include a damage electric thermostat or faulty heating elements. To fix this problem, the circuit breaker must be reset or the fuse must be replaced. The heating elements should be inspected and if they are found damaged, they should also be replaced. The same thing goes with the thermostat.

Inadequate Supply Of Hot Water

If your water heater is not providing enough hot water for your daily use, it may already be undersized for your heating requirements. It is also possible that there’s a wrong installation of the cold and hot water supply pipes. Lastly, the heating elements or the thermostat may already be defective. To get through this predicament, you must ensure that your water heater is sized correctly. If it’s too small for your needs, just get an upgrade. Have the water supply pipes and the cross connection checked. If the heating elements and thermostat are damaged, again, a replacement is the best solution.

Hot Water Too Hot

If the water that comes out of your hot water faucets and showers is too hot for you, the thermostat may be set too high. To fix the issue, lower the thermostat setting. If doing so won’t work, the heating elements must be inspected.


Water heaters are also vulnerable to leaks which may result from several factors. They can be caused by a faulty T&P valve; overheating or excessive pressure; loose connections or cracked supply pipes; loose bolts on the heating elements or a damaged gasket and corroded tanks. To fix the problem, the T&P valve must be flushed and cleared of debris. If that won’t work, it must be replaced. The thermostat setting may also be lowered down to prevent overheating and excessive pressure. Connections should be tightened and threaded to create a seal. The mounting bolt of the heating elements should also be tightened. If that fails to stop the leak, replace the heating element. Lastly, if the tank is already corroded, the water heater must be replaced.

Rusty Water

If the water that comes out of your fixtures is rusty, it is possible that the tank or the anode rod is corroded. The anode rod should be replaced right away. Choose a magnesium one because it is more efficient.

Water Has Rotten Smell

If the hot water smells like rotten eggs, it’s indicative of bacteria presence in the tank. To fix this problem, the tank must be flushed and then cleaned with a hydrogen peroxide solution. If cleaning the tank won’t do the trick, the anode rod must be replaced.

Rumbling Or Popping Noise

If low rumbling or popping come from the water heater, it indicates the buildup of sediments at the bottom of the tank. These sediments cause overheating which then leads to the rumbling sound. Get rid of the noise by flushing the tank.

Whining Noise

You may also hear a high-pitched whining noise from the water heater. This, on the other hand, indicates the presence of scale on the heating elements. Clean the scale from the tank and the heating elements and flush the tank as usual.

We hope that you learned about electric water heater troubleshooting. If you need help with your water heater, just call the most reliable Key Biscayne plumbing company. Plumbers 911 Florida provides local plumbing services in Key Biscayne FL including water heater service, water heater repair, plumbing appliances installation, leak detection, bathroom remodeling and many more! Call us at 305-662-0668 (Miami-Dade County FL), 954-468-0512 (Broward County FL), 561-327-6287 (Palm Beach County FL) to schedule a service!

We’re available 24/7! Watch our video to learn more about services!

Posted on: July 16, 2015