Sediment buildup in the tank. Leaks in the plumbing system.

Right out-of-the-box, most manufacturers set their water heaters to 140 degrees. There are a few reasons for this. First, the manufacturer doesn't know the size ... 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. Mar 16, 2020 ... A recommended water temperature of 120 degrees Fahrenheit. At that temperature, your water is not hot enough to cause scalding. There is some disagreement between various experts as to how high you should set the temperature on your water heater. The EPA recommends that you always leave ... Dec 23, 2021 ... How hot is too hot when it comes to your water heater settings? The recommended setting ranges between 120 and 140 degrees Fahrenheit, ... under your roof. Dangerous Temperatures for Water Heaters. Your water heater should not be set any higher than 125 degrees. This may seem too low to you – ... Apr 12, 2018 ... That said, The Occupational Safety and Health Administration (OSHA) suggests a minimum of 122 degrees Fahrenheit to prevent harmful bacteria ... Feb 6, 2024 ... Ideal Temperature Settings: The recommended temperature setting for most water heaters is around 120 degrees Fahrenheit (48.9 degrees Celsius). 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 ... The water heater shall be set by the owner or agent at a temperature not higher than one hundred twenty degrees Fahrenheit (forty-nine degrees Celsius)