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035-20353-001 Rev. B (0305) 4 of 8
Figure 1: 2-STAGE UPFLOW/HORIZONTAL NATURAL GAS FURNACES (80%)
FIG ITEM DESCRIPTION
FC8T100C20UH11A FC8T120C16UH11A FC8T120C20UH11A
LC8T100C20UH11A --- LC8T120C20UH11A
(5 BURNER) (6 BURNER) (6 BURNER)
MOTORS
* 1
MOTOR, DIRECT DRIVE BLOWER
024-23238-001 024-27540-000 024-23238-001
1 2 MOTOR,VENTOR ASS’Y 024-27653-000 024-27653-000 024-27653-000
ELECTRICAL
1 3
CAPACITOR, RUN (15MFD/370V) [RC] 024-20446-000 --- 024-20446-000
CAPACITOR, RUN (10MFD/370V) [RC] --- 024-20046-000 ---
1 4 CONTROL, HIGH LIMIT 025-29041-005 025-29041-005 025-29041-005
1 5 CONTROL,FURNACE [FC] 031-09117-000 031-09117-000 031-09117-000
1 6 IGNITER 025-32625-000 025-32625-000 025-32625-000
1,3 7 SENSOR, FLAME 025-27773-000 025-27773-000 025-27773-000
1 8 SWITCH, AIR PRESSURE [1LP] 024-27657-001 024-27658-001 024-27658-001
1 9 SWITCH, DOOR [SW] 024-31943-000 024-31943-000 024-31943-000
* 10 TRANSFORMER 025-30889-000 025-30889-000 025-30889-000
1,3 11 VALVE, GAS 025-35394-000 025-35394-000 025-35394-000
1,3 12 SWITCH, FLAME ROLL-OUT [ROS 3] 025-27747-018 025-27747-018 025-27747-018
3 12A CONTROL, Flame Roll Out (2ea) [ROS1,2] 025-27792-009 025-27792-009 025-27792-009
1 13 CONTROL, AUX. LIMIT (2 ea) [LS2,LS3] 025-30321-000 025-30321-000 025-30321-000
* 14 FUSE (ATO 3) 025-32746-026 025-32746-026 025-32746-026
15
AIR MOVING
1 16 HOUSING, BLOWER 373-17829-001 373-17828-001 373-17829-001
1 17 WHEEL, BLOWER 026-19654-014 026-19654-005 026-19654-014
* 17A CUTOFF, BLOWER 063-78006-000 --- 063-78006-000
NOTE: *Not Shown
New replacement parts shown in bold face type at the first printing of parts list dated 3/05.
Major components and suggested stocking items are shown with shaded item number.
“<“ Across from row indicates a change in that row.