A hot water heater is a device that only serves one function: to heat the water entering into your home. However, many hot water heaters are unable to do this because of one of several problems you are dealing with. If you don't have any hot water, there are several culprits you should look to.

The Shut-Off Valve

Check the shut-off valve to make sure that it's not closed. Homeowners are often embarrassed when they contact a tankless water heater repair company only to find out that there was a simple solution.

Mineral Buildup

Your tankless hot water heater can suffer from mineral buildup. When this occurs, the hot water heater will not function properly. Two of the most common types of minerals that build up inside a hot water heater are calcium and magnesium. However, if you have a tankless hot water repair service flush your unit periodically, this won't be as much of a problem.

Too Much Demand

One of the most common reasons why a tankless hot water heater is not functioning properly is because there is not enough demand for hot water. If you have made an addition to your family and you are simply using more hot water than you used to, you may need to consult with a tankless water heater specialist about whether you need a repair or an upgrade.

Because tankless hot water heaters only heat water when it is needed, they cannot successfully heat multiple utilities at the same time. If you only occasionally have no hot water, however, you might want to simply be careful about which appliances you use at the same time. 

Your Air Supply or Exhaust is Blocked

The hot water heater might generate an error code that will inform you that the air supply has become blocked. If you are not sure what is causing the blockage, make sure to contact a tankless water heater repair technician for help.

The Fire is Out

You might see a flame failure error message. If this is the case, make sure that the utility company did not disconnect the gas and that your propane tank isn't empty. If you are receiving fuel, you will want to contact a tankless water heater repair technician as soon as possible to have your unit inspected. There is no reason to go for an extended period of time without receiving hot water from your unit.

For more information on tankless water heaters, reach out to a local plumber.

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