3 Common Tankless Water Heater Problems

Tankless Water Heater Problems
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Last Updated on January 21, 2024 by Asfa Rasheed

Are you thinking about purchasing a tankless water heater? They are a great investment. Efficient on energy and your wallet, heating only when you need hot water. To take care of your investment, it’s essential to know all of the tankless water heater problems that can arise. Maintaining a regular service and calling a professional when things start to go wrong can ensure your tankless water heater lasts for years to come.

To learn how to identify common tankless water heater problems, keep reading!

Most Common Tankless Water Heater Problems

There are two common types of tankless water heaters, tankless gas water heaters, and electric tankless water heaters. The two types can each have their owns pros, but there are cons as well.

For example, there are a few electric tankless water heater problems, like how expensive they are upfront and issues with the amount of hot water they can produce.

Tankless water heater problems can be avoided if you service your water heater regularly and call professionals as soon as there is an issue.

The issues below are things to look out for. 

Tankless Water Heater Well Water Problem

Well water can be tough on tankless water heaters. Due to the way they are made, tankless water heaters are susceptible to mineral buildup. This kind of buildup can decrease the longevity of your unit. Regular maintenance can help you prevent buildup. 

Tankless Water Heater Low Flow Problem

These tankless water heaters cannot work if they have low flow. Most tankless water heaters need at least 0.5 GPM (gallons per minute) to operate correctly. If they don’t have this, they will automatically shut off. 

If your pipes have been clogged with minerals from well or hard water, this can cause your tankless water heater to shut off entirely. Hire a professional to clean your pipes regularly to ensure this doesn’t happen. 

Tankless Water Heater Temperature Problems

If you experience a “cold water sandwich,” which means you get hot water, cold water, and then hot water again, it can be annoying! This is a common issue with a part on the tankless water heater called the exchanger. 

Want to fix this issue? It’s always good to speak with a professional and find out how to bypass the “cold water sandwich.” They may suggest something like a mini-tank water heater to prevent this from happening in the future. 

Make Sure You Have a Plumber on Standby!

Tankless water heater problems can jump up at any time. Having a reliable plumber ready to help you out should something go wrong is a good idea. Once you can determine and fix the problem, you’ll be back to hot showers and excellent water pressure once more!

Want to know more about how you can fix up your home or buy a new one? Check out everything else we have on our blog. You will find something else to pique your interest. 

Apart from that, if you are interested to know about Benefits of a Tankless Water Heater then visit our Home Improvement category.