Pilot Maintenance
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.
Burner 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 mount.
Manifold mount
Feedline
Step 14. Remove main burner orifice from feed line (3/8” wrench). Inspect and clean if necessary.
Main burner orifice
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
Gas control power
switch
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