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3
Maximum water temperatures occur just after the thermostat has
shut off the elements. To find the hot water temperature being
delivered, turn on a hot water faucet and place a thermometer in
the hot water stream and read the thermometer.
The following chart details the relationship of water tempera-
ture and time with regard to scald injury and may be used as
a guide in determining the safest water temperature for your
applications.
!
DANGER: Applications involving small children,
disabled, or elderly persons may require a 120°F or
lower thermostat setting to prevent contact with
“HOT” water.
!
DANGER: Hotter water increases the potential for
Hot Water SCALDS.
The illustration above shows the temperature adjustment
dial used for setting the water temperature. Refer to Op-
eration section of this manual for detailed instructions in
how to adjust the thermostat(s).
Time/Temperature Relationship in Scalds
Temperature Time To Produce a Serious Burn
120°F (49°C) More than 5 minutes
125°F (52°C) 1½ to 2 minutes
130°F (54°C) About 30 seconds
135°F (57°C) About 10 seconds
140°F (60°C) Less than 5 seconds
145°F (63°C) Less than 3 seconds
150°F (66°C) About 1½ seconds
155°F (68°C) About 1 second
Table courtesy of Shriners Burn Institute
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.
DANGER!
WATER TEMPERATURE SETTING
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. To meet commercial water use needs, this water
heater is capable of supplying outlet water temperatures at 170°F (77°C) or higher. 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
13 for more details and contact a licensed plumber or
the local plumbing authority for further information.
R
E
S
E
T
R
E
S
E
T
TURN OFF
POWER
BEFORE
SERVICING
170°F
(77°C)
110°F
(43°C)
140°F (60°C)
TURN OFF
POWER
BEFORE
SERVICING
°
170°F
(77°C)
110°F
(43°C)
140°F (60°C)
Reset
button
Thermostat
protective
cover
Thermostat
dial pointer
Thermostat for
all Models
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