MAINTENANCE ITEM
Verify area around the unit is free of
combustible materials
Verify combustion and ventilation air is
not restricted
Verify no signs of physical deterioration
of the furnace
Verify burner fl ame
Inspect unit support
Inspect return air connections
Clean or replace fi lter(s)
Clean blower compartment
Clean burner vestibule
Specifi cations & illustrations subject to change without notice or incurring obligations.
O'Fallon, MO | Printed in U.S.A. (09/10)
FREQUENCY OF MAINTENANCE
BEGINNING OF EACH
HEATING SEASON
X
X
X
X
X
X
X
Table 1. Maintenance Schedule
END OF EACH
HEATING SEASON
X
X
X
X
¢708258E¤
708258A (Replaces 7082580)
MONTHLY
X
X
X
X
X