Water Temperature Setting - Rheem Residential 40 & 50 Gallon Use & Care Manual

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. 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 thermistor
access panel.
D A N G E R
!
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.
NOTICE: 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.
HOT
BURN
Time/Temperature Relationship in Scalds
Temperature Time To Produce a Serious Burn
120°F (49°C)
125°F (52°C)
130°F (54°C)
135°F (57°C)
140°F (60°C)
145°F (63°C)
150°F (65°C)
155°F (68°C)
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.
!
DANGER: 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 water heater interface control. To comply with
safety regulations the temperature was set at 122°F
before the water heater was shipped from the factory.
Hotter
Water
RISK OF SCALDING INCREASES
CAUTION
WITH HOTTER WATER
TEMPERATURE
SETTING
Cooler
OPERATION MODE HEAT PUMP OFF
Water
Review operating manual before use.
Operating procedures are outlined in the
manual for optimal performance.
! Hotter water increases the potential for Hot
DANGER:
Water SCALDS
.
More than 5 minutes
1½ to 2 minutes
About 30 seconds
About 10 seconds
Less than 5 seconds
Less than 3 seconds
About 1½ seconds
About 1 second
Temperatures
135°-140° F
130°-135° F
125°-130° F
120°-125° F
105°-120° F
90°-105° F
The illustration at the
left shows the water
temperature setting.
Refer to the
Operating Instructions
in this manual for
detailed instructions
in how to adjust the
water temperature.
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