Piezo Igniter; Company; A.o. Smith Water Products Company - A.O. Smith TC-049R3 Service Handbook

RESIDENTIAL GAS AND ELECTRIC WATER HEATER
A "five point inner door seal inspection" is outlined below:
1. Inner door gasket condition and fit.
2. Main burner tube seal condition and fit.
3. Pilot assembly seal condition and fit.
4. Sight glass, condition; present, not broken or cracked.
5. Straight routing of the thermocouple and pilot burner tube through the pilot assembly seal.
These are all critical to maintaining the C3 TECHNOLOGY integrity of the combustion chamber.
C3 TECHNOLOGY models will feature a Piezo igniter to light the pilot burner.
The push button switch will be located on the top of the gas control valve. There will be a plug connector
between the push button and the igniter wire which is part of the pilot burner assembly.

A.O. Smith Water Products Company

©2005
SERVICE HANDBOOK
Five point inner door seal inspection:

PIEZO IGNITER

21
Technical Training Department
Ashland City, TN