Sometimes people call in because their tankless water heater keeps cutting on and off.
Tankless water heater temperature settings.
The temperature settings vary from 125 to 140f degrees and you can do it by adjusting dip switch 6 to on in the sw1 bank of 8 dip switches.
Here are the temperatures to have in the home.
Water heaters are factory set at osha recommended levels around 140 degrees.
Flow the six 6 step process to adjust your temperature.
For safety always unplug any appliance before continuing.
The occupational safety health administration osha recommends water heaters be.
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.
However by following these simple steps you can increase the temperature to 140 if you choose.
For your safety rinnai tankless water heaters come with a maximum temperature default setting of 120 to help prevent scalding.
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.
When your application needs higher than 140f degrees you have to install a mixing valve to moderate the temperature to 140f degrees.