SERVICE PROCEDURE
Dip Tube and Anode
Inspection and Replacement
ANODE INSPECTION AND REPLACEMENT
WARNING
Heater components and stored water may be HOT when performing the following steps in
this procedure. Take necessary precaution to prevent personal injury.
Step 1. Turn off water supply to water heater. Rotate knob of combination thermostat/gas valve to “OFF” position.
For Honeywell Control, rotate knob
For White Rodgers Control, depress knob slightly and rotate clockwise to the “OFF” position.
For Robertshaw Control, rotate knob clockwise to the “OFF” position.
Step 2. Turn off cold water supply to heater. Connect hose to drain valve of water heater and route to an open drain. Open a nearby hot water faucet to vent heater for draining. Open drain valve of water heater and allow heater to drain to a point below the outlet connection nipple.
Step 3. Disconnect outlet nipple from plumbing system.
Step 4 With an appropriate 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 5/8” diameter), replacement is recommended. If any of the steel core of the anode is exposed, replacement is recommended.
Step 6. Upon completion of inspection or subsequent replacement, reinstall outlet nipple/anode into heater. Connect nipple to plumbing system, resume water supply and refill heater with water.
Step 7. To resume operation, follow the instructions located on the lighting instruction label or the lighting instructions located in the installation and operation manual.
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