Bradford-White Corp U4TW60T*FRN, U4TW50T*FRN, U4TW40T*FRN Dip Tube Inspection and Replacement

Dip Tube Inspection

water heater.

Remove the Blower to Gain Access to the Flue Baffle (cont’d)

Step 8. Inspect the baffle for deterioration and missing restrictors. Clean any scale or debris build-up. Replace with a new baffle, as necessary.

Step 9. Reinstall the baffle into the flue. Be sure the baffle hanger tab is inserted into the notch locations at the top of the flue.

Step 10. Check the burner to ensure no scale has accumulated during operation. See the Burner Cleaning Procedure on page 20, if accumulation has occurred.

Step 11. Secure the blower in place using the screws from Step 5.

Step 12. Reconnect the vent system to the exhaust adapter.

Step 13. Reconnect the cord sets from Step 4.

Step 14. Plug the water heater into the wall outlet.

Step 15. To resume operation, follow the instructions located on the water heater

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.

lighting instruction label. Or, use the lighting instructions located in the water heater installation and operating manual.

Dip Tube Inspection and Replacement

Step 1. Move the gas control power switch to the “OFF” position

Step 2. Unplug the water heater from the wall outlet.

Step 3. Turn off the cold water supply to the water heater. Connect a hose to the drain valve of the water heater and route to an open drain. Open a nearby hot water faucet to vent the water heater for draining. Open the drain valve of water heater and allow the water heater to drain to a point below the inlet connection nipple.

Step 4. Disconnect the inlet nipple from the plumbing system.

Step 5. With an appropriate tool, such as a pipe wrench, remove the inlet nipple/ diptube from the water heater. Use caution not to damage pipe threads.

Step 6. Visually inspect the inlet nipple/diptube. The inlet nipple/diptube should

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