Temperature Setting For Tankless Hot Water Heater

A new water heater is typically preset to a maximum temperature of 140 degrees fahrenheit.

Temperature setting for tankless hot water heater.

For your safety rinnai tankless water heaters come with a maximum temperature default setting of 120 to help prevent scalding. Elderly homeowners or those with small children may want to keep the temperature at 120 degrees. Flow the six 6 step process to adjust your temperature. 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.

Resist deposition of mineral hard water buildup mineral deposition like lime inside the hot water tank and plumbing pipes. So a lot of people crank it up as high as they can get and they ll get it up to 140. Recommended temperature settings water heaters are factory set at osha recommended levels around 140 degrees. However by following these simple steps you can increase the temperature to 140 if you choose.

While most of us don t think about this setting being customizable it is actually something you can control. 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. 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. Most of the time we find that when we go out there that the water heater is set too hot.

If we set temperature of water heater at 120 f it will burn less gas or fuel or consume less electricity. Sometimes people call in because their tankless water heater keeps cutting on and off.