If we set the water heater temperature at 120 f we may get the following advantages as advice by the american society of sanitary engineering helps to cut down bills savings come from turning down of the temperature of your water heater subjected to standby loses and consumption.
Tankless water heater temperature settings.
Most of the time we find that when we go out there that the water heater is set too hot.
However by following these simple steps you can increase the temperature to 140 if you choose.
Flow the six 6 step process to adjust your temperature.
Here are the temperatures to have in the home.
Water heaters are factory set at osha recommended levels around 140 degrees.
Sometimes people call in because their tankless water heater keeps cutting on and off.
The arguments for 120 f temperature setting.
This can be prevented by setting the water heater to a temperature where the bacteria legionella cannot thrive.
On the other hand the epa suggests turning the thermostat down to 120 to reduce power consumption and a booster heater to reach sanitizing temperatures at select outlets.
So a lot of people crank it up as high as they can get and they ll get it up to 140.
For safety always unplug any appliance before continuing.
When your application needs higher than 140f degrees you have to install a mixing valve to moderate the temperature to 140f degrees.