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PDV Series
Anode Inspection & Replacement
Water Heater components and stored water may be HOT when performing the
following steps in this procedure. Take necessary precaution to prevent
Position on/off switch of gas control valve to the "OFF" position and unplug water heater from
Step 1.
wall outlet.
Step 2.
Turn off cold water supply to water heater. Connect hose to drain valve of water heater and
route to an open drain. Open a nearby hot water faucet to vent water heater for draining.
Open drain valve of water heater and allow water heater to drain to a point below the outlet
connection nipple.
Step 3.
Disconnect outlet nipple from plumbing system.
Step 4.
With an appropriate tool such as a pipe wrench, remove outlet nipple/anode from the water
heater. Use caution not to damage pipe threads.
Step 5.
Visually inspect outlet nipple/anode. Outlet nipple/anode should show signs of depletion, this
is normal. If depletion is ½ of the original anode diameter (approximately ¾" diameter),
replacement is recommended. If any of the steel core of the anode is exposed, replacement is
recommended.
Upon completion of inspection or subsequent replacement, reinstall outlet nipple/anode into
Step 6.
water heater. Ensure pipe dope is used on the nipple's threads. Connect nipple to plumbing
system, resume water supply and refill with water.
To resume operation, follow the instructions located on the lighting instruction label or the
Step 7.
lighting instructions located in the installation and operation manual.
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WARNING
personal injury.
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