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If adjustment is necessary…
Turn off the power to the water
heater.
Remove the jacket access panel(s)
and insulation exposing the
thermostat(s).
The thermostat protective cover(s)
should not be removed.
Using a small screwdriver, set the
thermostat(s) dial pointer(s) to
the desired temperature.
Replace the insulation and jacket
access panel(s). Turn on the power
to the water heater.
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)
Type 59T thermostat and
protective cover.
Water 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
Time/Temperature Relationship in Scalds
Water Temperature Setting
The temperature of the water in the
water heater can be regulated by setting
the temperature dial of the adjustable
surface mounted thermostat(s) located
behind the jacket access panel(s).
Dual element heaters have two
thermostats.
Safety and energy conservation are
factors to be considered when selecting
the water temperature setting of the
water heater’s thermostat(s). The lower
the temperature setting, the greater the
savings in energy and operating costs.
To comply with safety regulations the
thermostat(s) are factory set at 120°F
or less where local codes require. This is
the recommended starting point.
Water temperatures above 125°F
can cause severe burns or death from
scalding. Be sure to read and follow the
warnings outlined in this manual and on
the label located on the water heater
near the gas control (thermostat).
Mixing valves are available for reducing
point of use water temperature by mixing
hot and cold water in branch water lines
. Contact a licensed plumber or the local
plumbing authority for further
information.
The chart below may be used as a guide
in determining the proper water
temperature for your home.
Reset button
Thermostat
protective
cover
Thermostat
dial pointer
Safety Instructions Installation Instructions Operating Instructions Care and Cleaning Troubleshooting Tips Customer Service
DANGER: Hotter water
increases the Potential
for Hot Water SCALDS.
Households with small
children, disabled, or
elderly persons may require
a 120°F or lower gas control
(thermostat) setting to
prevent contact with HOT
water.
!