A hissing sound could indicate overheating or a leak.

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. Nov 5, 2018 ... The factory default setting for the temperature is 120 degrees. By the time the water gets to the various faucets in the house, the water temp is more like 115 ... Apr 19, 2018 ... So, what is the best temperature range for your water heater? The EPA recommends 120 degrees because it's hot enough to keep diseases at bay but ... What Temperature Should My Commercial Water Heater Be Set To Prevent Legionella? September 6, 2021 , by Tower Water. Share. Share on Facebook. 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 ... extremely hot and should not be used at the increased temperature. The Anode ... Draining them out of your water heater does two good things. First, it ... Energy efficiency: Lowering the temperature on your water heater can help you save energy and reduce utility bills. Water heating is the second highest source ... Sep 16, 2021 ... We recommend 120°F as the most efficient setting. Insulate pipes. Detail in line. Another way to reduce heat loss is insulating your hot water ... Nov 2, 2021 ... The best temperature for your hot water cylinder is between 140-150 degrees Fahrenheit. For health and safety reasons, try to keep your boiler ... For combi boilers, the recommended output temperature for the radiators is 75 °C and for the water is between 50 °C and 60 °C.