Rheem AP16697 - Component Replacement Procedures; Thermostat and Heating Element Replacement

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Cavity Insert Instructions
The following instructions are intended for
qualified service personnel ONLY, and should only
be done when necessary.
In order to replace the thermostat or heating element,
remove the cavity insert crossbar by following the
instructions below:
Turn off the power to the water heater.
Remove the jacket access panel or electronic control
and insulation.
Rotate the crossbar up and down until it breaks away
from the remainder of the cavity insert.
(See illustration to the left)
Discard the crossbar. It cannot and need not be
replaced.
Replace the temperature sensor and/or element as
necessary.
Replace the insulation and jacket access panel/
electronic control before turning on the power to the
water heater.
NOTICE: The cavity insert crossbar is necessary for
the manufacturing process only. The removal of the
crossbar will not interfere with the operation of the
water heater.