A.O. Smith 12 40GPC T 100 Water Heater User Manual


 
24
EXTERNAL INSPECTION AND CLEANING
Cleaning the Air Intake Chamber Screen:
At least twice annually the air intake chamber
screen should be inspected for any dust or
debris that may have accumulated on the
louvers.
NOTE: If the water heater is located in an area
that is subjected to lint, pet hair or dirt, it may be
necessary to check the air intake chamber screen
more frequently.
Use a vacuum cleaner with a hose attachment
to remove any dust or debris that may have
accumulated on the screen.
Air Intake Chamber
Screen
Figure 24.
Cleaning the Combustion Chamber and Air
Diverter Assembly:
Follow procedure outlined in “Removing Inner
Door/Manifold/Burner Assembly”, page 41.
Use a vacuum cleaner/shop vac to remove
all loose debris in the combustion chamber.
Use compressed air to clear any dust or
debris that may have accumulated on the air
diverter assembly.
Reassemble following the procedure under
“Installing Inner Door/Manifold/Burner
Assembly”, page 42.
Figure 25.
INNER DOOR/
MANIFOLD/BURNER
ASSEMBLY
AIR DIVERTER
ASSEMBLY
INSTALL
REMOVE
COMBUSTION
CHAMBER