A popping sound might be caused by water boiling inside the tank.

Dec 5, 2018 ... Typically, when you install a new water heater, it will be set to 140°F. According to OSHA, this is the standard that all water heaters should be kept at. 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 ... Apr 12, 2018 ... That said, The Occupational Safety and Health Administration (OSHA) suggests a minimum of 122 degrees Fahrenheit to prevent harmful bacteria ... Mar 20, 2019 ... Measure it if you can - what is the external temp of many different points of your hot water heater. Shawn and I are both engineers. So we do ... What Is the Hottest Temperature I Should Set for My Water Heater? There is a limit to how hot your water can run when you turn on the water from the faucet ... If you're asking, "What is the hottest temperature I should set for my hot water heater?" the answer is crucial for your safety and comfort. Dec 23, 2022 ... Now that you have a general idea of what temperature a water heater should be set at, it's time to understand why 120 degrees is the right ... Most hot water heaters are set at the factory setting of 140 degrees Fahrenheit, but this isn't necessarily the best temperature for it. 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) The default setting on most water heaters is 140 degrees Fahrenheit, but the Department of Energy recommends moving it to 120 degrees if you have small children ...