Rheem XE40T06MH45U1 is an electric water heater designed for manufactured homes. It offers energy efficiency, reliability, and safety features for your hot water needs. With a 40-gallon tank capacity, it can accommodate the hot water requirements of a small household or provide ample hot water for various applications. This water heater is equipped with dual heating elements that ensure a quick recovery rate, reducing wait time for hot water. It features an adjustable thermostat that allows you to set the desired water temperature, providing both comfort and energy savings.
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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 thermostat setting to prevent contact with
HOT water.
Reset button
E
T
R
E
Thermostat dial pointer
150
(66 °
° F
C)
125 ° F (52 °
(32
C)
90
°
F
C)
TURN OFF
POWER
BEFORE
SERVICING Thermostat protective cover
Type 59T thermostat and protective cover.
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.
However, for the best first hour hot water delivery, the following thermostat settings are recommended.
Upper thermostat: 125°F - 130°F,
Lower thermostat: 120°F
To comply with industry codes and standards the thermostat(s) are factory set at 120°F or less where local codes require.
This is the recommended starting point.
Contact (such as at the water use fixture) with 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 on the water heater. This label is located on the water heater near the thermostat access panel.
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 4 for more details and 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.
If the water heater has been subjected to fire, flood or physical damage, turn off power to water heater, 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
Temperature
120°F
125°F
130°F
135°F
140°F
145°F
150°F
155°F
Table courtesy of Shriners Burn Institute
Time To Produce a Serious Burn
More than 5 minutes
1 1 /
2
to 2 minutes
About 30 seconds
About 10 seconds
Less than 5 seconds
Less than 3 seconds
About 1 1 /
2
seconds
About 1 second
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.
13
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Key Features
- Designed for manufactured housing
- Can be connected for side or top water connections
- Has both single and double element models
- Is efficient
- Has safety controls
- Has adjustable water temperature