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2. For the most energy efficient operation, adjust the aquastat for
the minimum water temperature necessary to meet domestic
hot water needs. Refer to Figure 7. Use a small flat
screwdriver to rotate the temperature dial through the hole
directly below the temperature indication window. The
temperature setting is aligned with the notch in this window.
IT IS NOT NECESSARY TO REMOVE THE COVER
TO ADJUST THE TEMPERATURE SETTING. THE
AQUASTAT COVER SHOULD NEVER BE
REMOVED WITHOUT ELECTRICITY BEING
FIRST DISCONNECTED.
3. After the water heater completes a heat-up cycle, check the
water temperature at a faucet. Allow enough water to flow to
ensure that the water temperature reflects the tank
temperature. Adjust the water heater’s temperature setting as
necessary.
a. Adjusting to a lower temperature setting will not
immediately affect water temperature. Draw sufficient
water or allow the water heater to sit until a heat-up cycle
is initiated. Repeat step 3.
b. Adjusting to a higher temperature may not immediately
affect water temperature. If a heat-up cycle begins,
return to step 3. If a heat-up cycle does not begin, draw
Figure 7 - Aquastat Control
INTERNET VERSION FOR REFERENCE ONLY