Temperature Setting For Rinnai Tankless Water Heater

Changing the temp on a rinnai water heater unexpected victorian our plumber installed a rinnai high efficiency tankless water heater but the default maximum temperature was locked at 120 degrees.

Temperature setting for rinnai tankless water heater. Controlling the temperature and that the rinnai water heater is ready to supply hot water. The temperature settings may vary. The manual was only sort of helpful and there weren t any how to tutorials online so i decided to pop the cover off and go looking for myself. Rinnai water heaters work in the temperature range from 98 f to 140 f while they come with the factory setting of approximately 120 125 f.

Press the or buttons to obtain the desired temperature setting. There are also rinnai units that have a maximum temperature of 120f degrees but you can raise the temp to 140f degrees. For safety always unplug any appliance before continuing. Flow the six 6 step process to adjust your temperature.

There is also a temperature controller mcc 91 2 that is used mainly in commercial applications for getting higher temperatures where the maximum temperature is 185 f. So to fix that you can drop that water heater down to you know really you re supposed to have it at 120 but i know a lot of people like hotter water. For your safety rinnai tankless water heaters come with a maximum temperature default setting of 120 to help prevent scalding. 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.

All hot water sources are able to provide water at this temperature setting until it is changed again at this or another temperature controller. The 140 is more for a commercial. Recommended temperature settings water heaters are factory set at osha recommended levels around 140 degrees.