Instructions / Assembly
25
The following is additional information which
aid in determining a safe working temperature
to meet each household need.
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.
If an adjustment to the water temperature
is preferred, then refer to the Water Heater
User Display – Operation Instructions for
instruction on adjusting the local and remote
user display temperature setpoints.
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 shut-off 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 shut off 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
If the water heater has been subjected to
fire, flood or physical damage, turn off the
manual gas control (shut-off) valve and DO
NOT operate the water heater again until
it has been checked by a qualified service
technician.
NOTICE: DO NOT use this appliance
if any part has been under water.
Immediately call a qualified installer or
service agency to replace a flooded water
heater. DO NOT attempt to repair the unit!
It must be replaced.
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
90° F
113°F
98°F
105°F
120°F
130°F
140°F
150°F
160°F
Water Temperature Setting