Avoid setting extreme temperature fluctuations.

Nov 14, 2014 ... Many plumbers, however, believe that setting your hot water heater at 120 degrees can help to keep the amount of minerals and corrosion in your ... Most hot water heaters are set at the factory setting of 140 degrees Fahrenheit, but this isn't necessarily the best temperature for it. Jul 4, 2023 ... What temperature should a tankless water heater be set to? For most residential uses, a temperature setting of 120° - 125°F is sufficiently hot ... Dec 10, 2021 ... According to the EPA, most homeowners should set their water heaters to 120 degrees. You can determine the current temperature by looking for ... Most hot-water heaters are set for 140°—a temperature that could burn a child in as little as 2.5 seconds. Dr. Kennedy recommends changing your temperature ... Dec 30, 2023 ... Most of the search results said anywhere between 120°F and 140°F is normal, and advised against going hotter than 140. Mar 16, 2020 ... A recommended water temperature of 120 degrees Fahrenheit. At that temperature, your water is not hot enough to cause scalding. 120 degrees Fahrenheit is the safety recommendation against scalding, but 140° is the common default setting. Since there is no standing water to worry about, you can set the water temperature slightly lower with a tankless heater. 120 degrees Fahrenheit is the ... Mar 18, 2019 ... The lowest temperature that all your fixtures as hot as you need them. That's usually 120F / 50C and keeping it there will slightly increase efficiency.