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3
Time/Temperature Relationship in Scalds
Temperature Time To Produce a Serious Burn
120°F More than 5 minutes
125°F 1
1
/2 to 2 minutes
130°F About 30 seconds
135°F About 10 seconds
140°F Less than 5 seconds
145°F Less than 3 seconds
150°F About 1
1
/2 seconds
155°F About 1 second
Table courtesy of Shriners Burn Institute
The chart shown above may be used as a guide in
determining the proper water temperature for your
home.
NOTICE: Households with small children,
disabled, or elderly persons may require a 120°F
or lower thermostat setting to prevent contact with
“HOT” water.
The temperature of the water in the heater is regulated
by the adjustable surface mounted thermostat(s)
located behind the jacket access panel(s). Dual
element heaters have two thermostats. To comply with
safety regulations the thermostat(s) were set at 120°F
before the water heater was shipped from the factory.
The illustration at the left
shows the temperature
adjustment dial used
for setting the water
temperature.
Refer to the Operating
Instructions in this manual
for detailed instructions
in how to adjust the
thermostat(s).
DANGER: Hotter water increases the potential for
Hot Water SCALDS.
DANGER
!
HOT
Water temperature over 125° F can
cause severe burns instantly or
death from scalds.
Children, disabled and elderly are
at highest risk of being scalded.
See instruction manual before
setting temperature at water
heater.
Feel water before bathing or
showering.
Temperature limiting valves are
available, see manual.
BURN
IMPORTANT SAFETY INFORMATION
READ ALL INSTRUCTIONS BEFORE USING
R
E
S
E
T
R
E
S
E
T
TURN OFF
POWER
BEFORE
SERVICING
90°F150°F
125°F
(66°C)
(52°C)
(32°C)
Reset button
Thermostat
protective
cover
Thermostat
dial pointer
WARNING!
WATER TEMPERATURE ADJUSTMENT
Safety and energy conservation are factors to be considered when selecting the water
temperature setting of water heater’s thermostat. Water temperatures above 125°F can cause
severe burns or death from scalding. Be sure to read and follow the warnings outlined on the
label pictured below. This label is also located on the water heater near the thermostat access
panel.
NOTICE: Mixing valves are recommended for
reducing point of use water temperature by mixing
hot and cold water in branch water lines. It is
recommended that a mixing valve complying with the
Standard for Temperature Actuated Mixing Valves
for Hot Water Distribution Systems, ASSE 1017 be
installed. See page 12 for more details and contact a
licensed plumber or the local plumbing authority for
further information.
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