33
PDV Series
33
Flue Baffle/Core 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 28).
Step 5.
Remove the three blower mounting screws
(1/4” nut driver) (see photo 28).
Step 6.
Remove blower with gasket from water heater.
Step 7.
Remove flue baffle or flue core from heater
(see photos 29a and 29b).
Step 8.
Inspect baffle or core for deterioration, missing
restrictors.
Clean any scale or debris build up. Replace
with new baffle or core as necessary.
Step 9.
Reinstall baffle or core into flue tube. Be sure
hanger tabs are inserted into notch location at
the top of the flue tube (see photos 30 & 31).
Step 10.
Check burner to insure no scale has
accumulated during this operation. See burner
cleaning procedure on page 16.
Step 11.
Reinstall blower on water heater.
Step 12.
Reinstall vent system with
the support bracket
Step 13.
Connect cord sets to blower.
Plug water heater into wall
outlet.
Step 14.
To resume operation follow
the lighting instruction
location on the lighting
instruction label or the
lighting instructions located
in the installation operation
manual.
