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.
Thermostat / High Limit Control