Navien NBH Series, User'S Information Manual

Page: 4 / 27

4 Safety Information
DANGER
This boiler’s water temperature 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.
Water
Temperature Time in which a young child can suffer a
full thickness (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
DANGER
HOT
BURN
To prevent burns:
Ɣ
Use the lowest operating temperature setting necessary to
provide comfortably-hot water.
Ɣ
If your household has children or elderly or disabled
residents, consider using a lower temperature setting.
Ɣ
Do not leave children, the elderly, or disabled persons
unsupervised.
Ɣ
Do not allow small children to play unsupervised in the
bathroom.
Ɣ
Do not allow anyone to change the water temperature while
hot water is running.
Ɣ
Read all the instructions in this manual carefully before
changing the temperature setting.
Ɣ
Feel the water before using it on children, the elderly, or the
disabled.
Ɣ
If it is necessary to set the water temperature 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
This product can expose you to chemicals including lead, lead
compounds, and carbon bisulfide which are known to the
State of California to cause cancer and birth defects or other
reproductive harm. For more information, go to
www.P65Warnings.ca.gov.