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19
Maximum water temperatures occur just after the burner
has shut off. To determine the water temperature, turn on
a hot water faucet and place a thermometer in the water
stream.
A condition known as “stacking” or “layering” can occur
when a series of short and frequent hot water draws are
taken.
The hottest temperature water will be at the top of the tank,
closest to the outlet pipe delivering hot water to the home.
Stacking can cause this top layer of water to be hotter than
the water toward the bottom of the tank near the gas control
(thermostat). Therefore, always remember to test the water
temperature with your hand before use and remember that
hotter water increases the risk of scald injury.
Also, always supervise young children or others who are
incapacitated.
The gas control (thermostat) is constructed with a built in
safety shutoff device designed to shut off the gas supply to
the burner if the main burner is extinguished for any reason.
The gas control (thermostat) is also equipped with a gas
shutoff device that will shut off the gas supply to the burner
if the water heater exceeds normal operating temperatures.
Refer to the “Before You Call For Service” section of this
manual, or contact your dealer.
!
WARNING: Should overheating occur or the gas
supply fail to shut off, turn off the manual gas control
valve to the appliance
NOTICE: Replace any part of the gas control system
which has been under water.
If the water heater has been subjected to re, ood or physi-
cal damage, turn off the manual gas control (shutoff) valve
and do not operate the water heater again until it has been
checked by a qualied service technician.
Time/Temperature Relationship in Scalds
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
Water Temperature Setting…
90° F
113°F
98°F
105°F
120°F
130°F
140°F
150°F
160°F
Temperatures are approximate
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