Noritz tankless water heaters come with a factory preset of 120 degrees. This is for safety because raising the water temperature beyond 120 can increase the Irish of scalding. This is especially important for those households with children, elderly, or disabled individuals. Be very careful of increasing the temperature, the default is for your safety, and if you are raising the temperature, you are assuming all risks associated with doing so.

Merit Plumbing offers residential plumbing services, including repairs, installations, and maintenance plans in Sarasota, Bradenton, Lakewood Ranch, and Parrish.

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Video Transcript:

[00:00:01.150] - JJ Donaldson, owner of Merit Plumbing in Sarasota, Florida
Good day, everyone. This is JJ with Merit Plumbing in Sarasota, Florida. I have a customer here with a tankless water heater and they want to adjust the temperature up higher. Now, preset from the factory, it won't let you go above 120 deg for safety. It says right down here.

[00:00:20.310]
To let you know, when you start going over 125 degrees, you do increase the risk of scalding, so just be aware of that. How would I recommend you do it? If you want to go higher, just go up in five-degree increments.

[00:00:30.900]
You can see you can go down and up by five degrees, but not past 120. So to get it unlocked, you simply turn off the power button, hold the flow meter alarm button until the temperature starts to flash, and then you can set it where you want. Press the power button again. It will show you your original temperature that you were at. But now you can increase the temperature.

[00:01:00.810]
That's it.