If you're looking to fix or replace your Heating or A/C system, we can connect you with a reliable and cost-effective professional in your area. You don’t need to be rocket science to know that hot water may be harmful, especially when it comes to
newborns, children, older persons, and people recovering from surgeries. When you set the thermostat too high, the risk for hot water scald is essential, and you should never underestimate it. Page Table of Contents
Why is hot water dangerous for us?It may sound surprising, but it doesn’t take high temperatures for burns to occur. Here are some situations that cause first-degree injuries:
Safety should never undermine when it comes to using hot water with children. For example, you should always verify the temperature of the water before bathing or showering a child. Also, you must never leave a child/infirm person in the bath without any supervision. You should always check the temperature before trying the bathe a newborn or a child. What’s the best way to set the temperature on your Rinnai tankless water heater?Even if there are many models of Rinnai tankless water heaters, adjusting the temperature is quite similar between models.
Some important notice to considerthere are several aspects to pay attention to when adjusting or using your Rinnai tankless water heater:
The Rinnai tankless water heaters will give hot water at the set temperature even if the water flow isn’t continuous or when you’re using more than one tap at a time. Are the adjustments different when using a controller?Some models require an older controller (MC-45), and you need to move dip switch No.6 in the bank of 6 dip switches so that it’s ON. The temperature settings may vary. There are also Rinnai units that have a maximum temperature of 120F degrees, but you can raise the temp to 140F degrees. 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. When your application needs higher than 140F degrees, you have to install a mixing valve to moderate the temperature to 140F degrees. Here are the temperatures to have in the home:
Let’s not forget that you can also switch from Celsius to Fahrenheit and the other way around. It’s enough to push and hold the “On/Off” button for 5 seconds. Also, make sure that the water heater is Off. Some Rinnai units feature an MCC-91 controller. It’s a breeze to obtain high temperatures when using the connected controller. We need to highlight that the MCC-91 is designed for commercial and hydronic applications. Should you use it for residential dwelling for the Hydronics application, you need to install a mixing valve so that you control the potable hot water temp at the appropriate value. Can you adjust the temperature without a controller?The default temperature setting for some models that don’t include a controller is 120F degrees. If you want, you can go with 140F degrees by merely adjusting the dip switch. You should adjust the dip switch 5 to on in the SW1 bank of 8dip switches. Adjust the dip switch 5 to OFF for obtaining 120F degrees water temperature. Should you also decide to install a temperature controller, the dip switch, five will not affect the temperature adjustments. We can definitely connect you with a trusted provider in your area to repair, replace or maintain your heating and A/C systems. Why not let us find a professional for you? What is Max temperature for Rinnai tankless water heater?For your safety, Rinnai tankless water heaters come with a maximum temperature default setting of 120℉ to help prevent scalding.
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