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Adjusting The Thermostat/High Limit Control - Whirlpool 121802 Installation Instructions And Use & Care Manual

Residential electric water heater
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Adjusting the Thermostat/High Limit Control

This water heater is equipped with one or more adjustable temperature regulating thermostats and a manual reset high
limit control. The following procedures must be performed when changing the temperature of the stored water or resetting
the high limit control. Upper and lower thermostats must be adjusted to the same temperature.
IMPORTANT: Before attempting to adjust the thermostat, make sure you read the section of "Water Temperature
Regulation" section. If the instructions are not clear, contact a qualifi ed person.
1. Disconnect the electric power.
2. Remove the access cover(s) and fold up the insulation from the thermostat(s). Do not remove the plastic cover.
3. Using a screwdriver to adjust the thermostat pointer, set the thermostat(s) to the desired water temperature.
Be sure the RED reset button (High Limit Control) is pushed in. If needed, push in firmly to reset.
4. Fold the insulation down, making sure the thermostat(s) are well covered. Replace the access cover(s).
5. Reconnect power.
Insulation
Figure 10
(Shown Folded)
Thermostat
Access
Covers
Double
Element
Heater
10
Thermostat / High Limit Control
Red
Reset
Button
Insulation
(Shown Folded)
150°F
125°F
Thermostat
Setting
Thermostat
Pointer
90°F
Optional
Door
Insulation
(Shown Folded)
Access
Cover
Single
Element
Heater

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