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How To Change The Temperature On Your Water Heater

Every hot water heater has different panels that control your hot water temperature. Most of the panels are similar and even located in the same general areas no matter what type of water heater you have. Most electric water heaters have two thermostats. 

On electric water heaters most have thermostats on the top, and one is on the bottom. Some water heaters have their thermostats behind an insulated control board. Tankless water heaters give you readouts and controls for temperature through a display window.

Series of Steps When Changing your Water Heater Hot Water Temperature

You need to test your water before you ever change the settings on your water heater. You do this at a water faucet location by turning the hot water on and letting it run for a minute or two. Then use your meat thermometer to gauge what temperature your water is by holding it in hot water.

If you determine you need to adjust your hot water setting so the water gets hotter or cooler you can follow the below steps to make that happen for electric or gas water heaters.

  1. Always start by turning off the power supply going to the water heater. This usually involves turning off the power at your circuit breaker location.
  2. Go to the thermostat control panel. You may have to use a screwdriver to get access to the knobs that control your hot water temperature.
  3. If your water heater has insulation, you want to pull that away from the equipment you’re using so you have clear visual on what you’re doing.
  4. A flathead screwdriver is what you use most of the time to adjust your thermostat settings. Make sure you adjust both the upper and lower thermostat is you have two of them and make sure the temperature in both matches or the top thermostat can be a few degrees above the lower thermostat.
  5. Put all your insulation back and put the control panel back in its original position.
  6. Go to your circuit breaker location and flip your power back on. There are times you’ll need to relight a pilot light if you have a gas water heater.

You can’t use your thermostat to measure the hot water temperature right away. You have to give it at least three hours, and then you can test for your hot water temperature. If you are unsure of the ideal temperature for your hot water, we invite you to visit our article on this topic:

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