5. If true yellow tipping is observed, follow
instructions TO TURN OFF GAS TO APPLIANCE
(see Figure 2) and contact your installer or qualified
service agency.
6. If burner flames look satisfactory, adjust thermostat
to the normal setting to stop boiler firing.
D.
Schedule Inspection by Your Installer or Qualified
Service Agency (Annually or at Beginning of
Heating Season).
For continued safe operation either your installer, or a
qualified service agency must provide a more detailed
inspection of burner, heat exchanger, controls and
vent system and provide maintenance as specified in
Installation, Operating and Service Instructions.