Navien NPE-180A2 User's Information Manual page 4

DANGER
HOT
BURN
To prevent burns:
Use the lowest operating temperature setting
necessary to provide comfortably-hot water.
If your household has children or elderly or
disabled residents, consider using a lower
temperature setting.
Do not leave children, elderly, or disabled
persons unsupervised.
Do not allow small children to play
unsupervised in the bathroom.
Do not allow anyone to change the water
temperature while hot water is running.
Read all the instructions in this manual
carefully before changing the temperature
setting.
Feel the water before using it on children, the
elderly, or the disabled.
If it is necessary to set the water heater above
125 °F (52 °C), have a temperature-limiting
valve or mixing valve installed on the water
heater.
4 Safety Information
DANGER
This water heater is set to 120 °F (49 °C) at the
factory for your safety and comfort. Increasing
the temperature increases the risk of accidental
scalding. Water temperatures at or above 125 °F
(52 °C) can cause instant scalding, severe burns,
or death. Before you decide to change the
temperature setting, read the following charts
carefully.
Time in which a young child
Water
can suffer a full thickness
Temperature
(3rd degree) burn
160 °F (70 °C) Less than 1 second
140 °F (60 °C) 1 second
130 °F (55 °C) 10 seconds
120 °F (49 °C) 10 minutes
100 °F (37 °C) very low scald risk
Before setting the temperature at or above 125 °F (52
°C), consider installing a thermostatically-controlled
mixing valve or temperature-limiting valve. Contact
a licensed plumber or your local plumbing authority
for more information.
California law requires the following Prop 65
warning to be provided:
WARNING
Cancer and Reproductive Harm -
www.P65Warnings.ca.gov