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Burner Cleaning Procedure (cont’d)
Step 11. Thoroughly inspect burner screen and
burner venturi and remove any loose debris accumu-
lation. Inspect burner screen for any openings larger
than the normal screen openings.
Step 12. Use compressed air and/or a vacuum to
remove any scale or other debris accumulation from
the burner screen and venturi.
Step 13. Disconnect (unscrew) manifold mount from
feed line. Use a stiff brush, compressed air and/or vac-
uum to remove any debris build up from the manifold
mount.
Step 14. Remove main burner orifice from feed line
(3/8” wrench). Inspect and clean if necessary.
Step 15. Reassemble the burner assembly and reinstall into the water
heater. Restore gas supply and check for gas leaks.
Step 16. To resume operation, follow the instructions located on the wa-
ter heater lighting instruction label. Or, use the lighting instructions located
in the water heater installation and operating manual.
Pilot Inspection, Testing and Replacement
Step 1. Move the gas control
power switch to the “OFF” position
Pilot Maintenance
Gas control power
switch
Burner screen
Burner venturi
Manifold mount
Feedline
Main burner orifice
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