Bradford White U-TW4-75S-76R-3N - Manual (Page 35)

U TTW SERVICE PROCEDURE XIV
Flue Baffle
Inspection and replacement
Step 1. Position gas control power switch to the “OFF” position
and unplug water heater from wall outlet.
Step 2. Disconnect vent system from exhaust adapter on top of
blower.
Step 3. Unplug cord sets from blower. (see photo 33).
Step 4. Remove the three blower mounting screws
(¼" nut driver) (see photo 33).
Step 5. Remove blower with gasket from water heater.
Step 6. Remove flue baffle from Heater (see photo 34).
Step 7. Inspect baffle for deterioration, missing restrictors.
Clean any scale or debris build up. Replace with new
baffle as necessary.
Step 8. Reinstall baffle into flue tube. Be sure baffle
hanger tab are inserted into notch location at the
top of the flue tube (see photos 35 & 36).
Step 9 Check Burner to insure no scale has accumulated during
this operation. See burner cleaning procedure on page 14.
Step 10. Reinstall blower on water heater. Connect vent
system and cords set to blower. Plug water heater
into wall outlet.
Step 11. To resume operation follow the lighting instruction
located on the lighting instruction label or the lighting
instruction located in the installation and operation
manual.
Blower Mounting
Screws
Blower
Cord Sets
33
Disconnect vent system
from exhaust adapter.
Remove blower to gain access to
flue baffle
Flue Baffle
Flue tube
notch
Baffle shown
installed in flue
tube notch.
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