Tankless Water Heater Temperature Settings

For your safety rinnai tankless water heaters come with a maximum temperature default setting of 120 to help prevent scalding.

Tankless water heater temperature settings.

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. For safety always unplug any appliance before continuing. 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. This can be prevented by setting the water heater to a temperature where the bacteria legionella cannot thrive.

Flow the six 6 step process to adjust your temperature. Here are the temperatures to have in the home. The occupational safety health administration osha recommends water heaters be. However by following these simple steps you can increase the temperature to 140 if you choose.

Water heaters are factory set at osha recommended levels around 140 degrees. The arguments for 120 f temperature setting. When your application needs higher than 140f degrees you have to install a mixing valve to moderate the temperature to 140f degrees. Most of the time we find that when we go out there that the water heater is set too hot.