Bradford-White Corp PDV100S150, D80T725, D65T625, PDV100S250, PDV80S250 Service Procedure PDV24-VIII

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SERVICE PROCEDURE PDV24-VIII

Anode Removal and Inspection

WARNING

Water Heater components may be HOT when performing the following steps in this

procedure. Take necessary precaution to prevent personal injury.

Step 1. Disconnect (unplug) water heater from electrical supply.

Step 2. Turn “OFF” water supply to water heater.

Step 3. Open a near by hot water faucet to relieve tank pressure.

Step 4. Connect hose to drain valve of water heater and route to an open drain. Open drain valve and drain a minimum of 5 gallons of water from the water heater. Close drain valve and disconnect drain hose from water heater.

Step 5. If required, disconnect top plumbing connection from top of water heater.

Step 6. Remove screws holding jacket head to top of water heater and remove jacket head from top of water heater. Note, it may

be necessary to use a screw driver to pry underneathReplace Anode jacket head (see photos at right).

Step 7. Remove insulation from top of water heater to expose collector cover, if necessary. (see bottom of page for approx. anode locations)

Step 8. Remove screws from top (or sides) of collector cover. Note, it may be necessary to chisel away some foam to access screws.

Step 9. Locate and remove anode rods from top of water heater (1-1/16 hex socket).

Step 10. Visually inspect anode rod. Anode rod may show signs of depletion; this is normal. If the anode shows signs of depletion

(approximately 5/8", see photo at right), replacement is recommended. If any of the steel core of the anode is exposed, replacement is recommended.

Step 11. Upon completion of inspection or subsequent replacement, reinstall anode rods into water heater.

Step 12. Check for leaks.

Step 13. Reinstall collector cover & insulation over collector cover, if applicable.

Step 14. Reinstall jacket head.

Step 15. Reconnect plumbing connection to top of water heater if required.

Step 16. Restore water supply and power to water heater.

Step 17. Verify proper operation.

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Contents Service Manual Table of Contents Features of Induced Draft Models Features of PDV-S Model SeriesFeatures of PDV-T Model Series Features of Honeywell Integrated Controls SystemTools Required for Service Specifications Sequence of Operation Troubleshooting Verify Primary and Secondary voltage at the control boardError code #63 on display. See Main Burner short Pressing Select button will change display to next mode Max Setpoint Display/Change Setpoint Display/Change Software Version Display only SET ExitingSELECTServiceSETMode Display of Water TemperatureTo Display and Change Temperature Setpoint To Display Flame Sense Current of the Pilot Flame SensorSetpoint Flashes Idle Status Operational Select SET Error Codes and Error History Display Error Code HistoryTo view previous error codes ExitingSELECTServiceSETMode Error Code Definitions Resetting Error Codes in Hard Lockout Condition Service Procedure PDV24-I Unplug or disconnect electrical power to the water heaterService Procedure PDV24-I Upper Sensor Lower SensorService Procedure PDV23-II Service Procedure PDV24-II Service Procedure PDV24-II Service Procedure PDV24-III ConditionCondition Error code 57 Flame Rod Shorted To Ground Probe Service Procedure PDV24-IV To control boardCorrect improper venting condition Manifold Pressure Port Service Procedure PDV24-V PDV S&T ModelsPDV S&T Models PDV S&T Models Induced Draft Models Main Burner Removal Pilot Burner Removal Pilot Burner InspectionService Procedure PDV24-VI Control board replacementRemove lower sensor Service Procedure PDV24-VII Service Procedure PDV24-VIII PDV-S PDV S PDV-S PDV-T PDV T PDV-T Induced Draft Models Induced Draft Models Induced Draft Models ECO BTU/HCO2 GFI