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PDX SERVICE PROCEDURE XII
Flue Baffle
Inspection and replacement
Step 1. Position gas control power switch to the “OFF” position and
unplug blower from wall outlet.
Step 2. Disconnect vent system from exhaust adapter on top of blower.
Step 3. Disconnect intake air piping.
Step 4. Unplug cord sets from blower. (see photo 31).
Step 5. Remove the three blower mounting screws
(¼" nut driver) (see photo 31).
Step 6. Remove blower with gasket from water heater.
Step 7. Remove flue baffle from Heater (see photo 33).
Step 8. Inspect baffle for deterioration, missing restrictors.
Clean any scale or debris build up. Replace with new baffle as
necessary.
Step 9. Reinstall baffle into flue tube. Be sure baffle
hanger tabs are inserted into notch location at the
top of the flue tube (see photos 34 & 35).
Step 10. Check Burner to insure no scale has accumulated during this
operation. See burner cleaning procedure on page 15.
Step 11. Reinstall blower on water heater. Connect vent
system and cords set to blower. Plug water heater
into wall outlet.
Step 12. 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
31
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.
Page 33
33
34 35
PDX Series
32
Remove support
bracket
33