Service Procedure PDV24-VII

Flue Baffle Removal, Inspection

WARNING

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 underneath jacket head.

Step 7. If required, remove insulation from top of water heater to expose collector cover.

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

Step 9. Remove collector cover from water heater.

Step 10. Remove flue baffles from water heater. Note, it may be necessary to use pliers to loosen and remove baffles from flue tubes.

Step 11. Visually inspect flue baffles. Flue baffles may show signs of oxidation; this is normal. If the oxidation has deteriorated any portion of the flue baffle, replacement is recommended. If any restrictors are missing, replacement is recommended.

Step 12. Upon completion of inspection or subsequent replacement, reinstall flue baffles into heater.

Step 13. Reinstall collector cover and insulation (if applicable) over collector cover.

Flue Baffle

PDV Models

Step 14. Reinstall jacket head.

Step 15. Reconnect plumbing connection to top of water heater & turn on water supply if required.

Step 16. Check for leaks and verify proper operation.