Service Manual

U TTW SERVICE PROCEDURE XIII
Anode
Inspection and replacement
Step1. Position gas control power switch to the “OFF”
position and unplug water heater from wall outlet.
Step 2. Turn off cold watersupply towater heater. Connect hose todrain valve of water heater and route to an
op
endrain. Open a nearby hot water faucettovent water heater for draining. Opendrain valve of
water heater and allow water heatertodrain to a point below the outlet connection nipple
.
Step3. Disconnect outlet nipple from plumbing system.
Step4 With an appropriate tool such as a pipe wrench, remove outlet nipple/anode from the water heater. Use
caution nottodam
age pipe threads.
Step5. Visually inspect outlet nipple/anode.Outlet nipple/anode should show signs of depletion, this is
normal. If depletion is ½ofthe original anode diameter (approximately ¾” diameter), repl
acement is
recommended. If any of the steelcore of theanode is exposed, replacement isrecommended.
Step6. Upon completion of inspection orsubsequentreplacement, reinstall outlet nippl
e/anode intowater
heater. Connect nipple to plumbing system, resume watersupply and refill withwater.
Step7. To resume operation, follow the instructions locatedonthe lighting instruction labelorthe
lighting
instructions locatedinthe installation and operation manual.
Anode Inspection and Replacement
WARNING
Water Heater components and stored water maybe HOT when performing the following
steps in this procedure. Take necessary precaution to prevent personal injury.
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Gas Control shown in the “OFF” Position
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