Bradford-White Corp D)W275T*(BN, C(S, CX service manual Anode Inspection and Replacement

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SERVICE PROCEDURE AG-V

Diptube and Anode

Inspection and Replacement

ANODE INSPECTION AND REPLACEMENT

WARNING

Water 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 gas control knob to “OFF” position.

For White Rodgers Control, depress knob slightly and rotate clockwise to the “OFF” position.

Figure 49

For Robertshaw Control, rotate knob clockwise to the “OFF” position.

Figure 50

For Honeywell gas control, rotate knob counter clockwise to the “OFF” position.

Figure 51

Step 2. Turn off cold water supply to water heater. Connect hose to drain spigot of water heater and route to a suitable drain. Open a nearby hot water faucet to vent heater for draining. Open drain spigot of water heater and allow to drain.

Step 3. Disconnect plumbing system from outlet nipple/anode.

Step 4. With an appropriate wrench, remove outlet nipple/anode from the water heater. Use caution not to damage the nipple threads.

Step 5. Visually Inspect outlet nipple/anode. Outlet nipple/anode may 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 thesteel core of the anode is exposed, replacement is recommended.

Step 6. Upon completion of inspection or subsequent replacement, reinstall outlet nipple/anode into water heater.

Reconnect plumbing system to outlet nipple/anode, resume water supply and check for leaks.

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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Contents Service Manual Table of Contents Troubleshooting Chart LED Status Control Status Probable Cause LED Status Control Status Probable Cause Service Procedure Service Procedure AG-I Open Circuit Thermocouple TestingThermocouple Replacement Open Circuit Thermopile Testing Closed Circuit Thermopile TestingAn Open Circuit test A Closed Circuit testThermopile Replacement Step Turn off gas supply to water heater. Rotate knob Pilot Assembly Inspection Cleaning and Replacement IGNITER/ELECTRODE Testing Replacement Service Procedure AG-III Gas Control Testing and ReplacementLine Pressure Thermocouple Testing Magnet Assembly Testing White Rodgers ControlMagnet Assembly Testing Robertshaw Control ECO Energy Cut Off Testing GAS Control ReplacementInstallation of gas control Honeywell Thermowell Testing Determine Water Heater Tank Temperature Honeywell GAS Control & Thermowell Removal Honeywell GAS Control Removal from ThermowellHoneywell GAS Control Assembly to Thermalwell Service Procedure AG-IV Cast Iron Burner AdjustmentBurner Cleaning Steel & Cast Iron Burner Cleaning Service Procedure AG-V Diptube Inspection and ReplacementAnode Inspection and Replacement Turn gas control knob to OFF positionPage Page