However by following these simple steps you can increase the temperature to 140 if you choose.
Temperature setting for tankless hot water heater.
Sometimes people call in because their tankless water heater keeps cutting on and off.
Recommended temperature settings water heaters are factory set at osha recommended levels around 140 degrees.
If we set temperature of water heater at 120 f it will burn less gas or fuel or consume less electricity.
This way it leads to emit fewer greenhouse gases which helps us to save our environment.
Elderly homeowners or those with small children may want to keep the temperature at 120 degrees.
While most of us don t think about this setting being customizable it is actually something you can control.
Homeowners with a dishwasher that does not pre heat the water may want to set their water heater to 140 degrees.
Flow the six 6 step process to adjust your temperature.
The occupational safety health administration osha recommends water heaters be set to at least 140 degrees fahrenheit 60 degrees celsius to minimize the growth of legionella and other.
Resist deposition of mineral hard water buildup mineral deposition like lime inside the hot water tank and plumbing pipes.
Your home s water heater has a maximum temperature setting that controls how hot the water in your faucets may be at any given time.
For your safety rinnai tankless water heaters come with a maximum temperature default setting of 120 to help prevent scalding.
So a lot of people crank it up as high as they can get and they ll get it up to 140.
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.