WATER HEATER MAINTENANCE PROCEDURES (CONTD)
Burner Head Assembly (Contd)
The scanner is a sensitive device.
can damage the scanner and result in possible failure
of flame safeguard control.
Inspect scanner (3) for dirt or foreign matter.
Clean with a soft
cloth if necessary.
If scanner is broken or damaged, notify direct
Connect scanner (3) to nipple (23) and tighten firmly.
Connect two ignition cable assemblies (1) to two spark plugs (12).
Connect fuel line coupling (2) to elbow (18).