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Accessory Module Installation
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Determine the Gas Control Wire Harness – cont’d
Step 3: If the gas control uses a standing pilot, the WV8840 wire harness must be used. The WV8840
gas control and wire harness are shown in Figure 3. Discard the WV4460 wire harness.
Locate the Accessory Module
Step 4: The Accessory Module must be mounted to the left of the water heater gas control. Hold the
Accessory Module to the water heater jacket as high as possible and practical. Do not cover any safety
or warning labels on the water heater. This is shown in Figure 4.
Figure 3
Figure 4
WV8840
Gas Control
Determine gas control
number using label on side
of control
WV8840 Wire
Harness
Accessory Module must
be mounted to the left of
this line
WARNING
Failure to properly locate the Accessory Module may cause damage to the water heater wiring
harness.