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From Commander Air

Your tankless water heater was an excellent investment. It saves energy, which means you save money on your utility bills. And it’s significantly less likely to run into some of the issues that can occur with tank water heaters. However, like any appliance, it can sometimes have problems. Since some of the signs of a problem may be different from a tank water heater, it’s important to know what to keep an eye out for in case your tankless water heater needs repair.

But First, a Safety Warning: Natural gas is an excellent fuel for running appliances such as your tankless water heater. It is not an acceptable component for DIY projects. In fact, in many regions, you need a license or certification to work on natural gas appliances. So don’t attempt to repair your water heater yourself! Keep your home and family safe by relying on trained specialists.

Here are the signs you should watch for that indicate a problem with your tankless water heater.


The good news is that tankless water heaters are much less likely to leak than tanks are. The bad news is that water damage is no joke, so if you see water dripping from or puddled below your water heater, a technician should check it out promptly.

Low Pressure

The intake and outtake lines of tankless water heaters are narrow. If sediment or buildup from hard water narrow them further, your water pressure will drop. A technician can help.

Low Temperature

A variety of problems can cause your hot water temperature to be below what you expect. Don’t crank up the temperature and risk burning yourself! Call a professional, who can determine whether sediment, corrosion, the gas burner itself, or something else is causing the issue.

Issues with Other Appliances

Your water heater doesn’t just keep you warm in the shower. It also supplies your dishwasher, laundry washing machine, and possibly other appliances in your home. If you notice any of them performing poorly, for example leaving un-dissolved soap residue on your clothing or dishes, your tankless water heater may be responsible.

Unexpected Shutdowns

Like many other appliances, tankless water heaters have a kill switch: a mechanism that shuts the appliance down in case of an emergency. In this case, the emergency it is meant to prevent is overheating. In this case, there is something you can do yourself to try to correct the issue. A whole-house water filter was probably installed along with your tankless water heater, and if it is clogged with sediment, it may be causing the overheating. Change the filter, but after that, if the problem persists, it’s time for a professional in tankless water heaters in Ensley, FL.

Our team is always happy to answer any questions you may have about your water heater. Whether yours is tank or tankless, gas or electric, our technicians are experienced with it all. As always, our goal is to exceed customers’ expectations through unequaled performance in design, maintenance, implementation, and workmanship.

Contact the team at Commander Air Inc. Your hometown heating and cooling specialist for three generations.

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