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Unitary Products Group

FC8T SERIES 2-STAGE UPFLOW/HORIZONTAL  

NATURAL GAS FURNACES - (80%) 

                  INCLUDING LO-NOX (MODEL LC8) (STYLE A)

Supersedes: 035-20353-001 Rev. A (0504)

035-20353-001 Rev. B (0305)

HVAC SERVICE PARTS

1 of  8

Figure 1:  2-STAGE UPFLOW/HORIZONTAL NATURAL GAS FURNACES (80%)

FIG

ITEM

DESCRIPTION

FC8T060A12UH11A FC8T080A12UH11A FC8T080B16UH11A FC8T100B12UH11A

LC8T060A12UH11A LC8T080A12UH11A LC8T080B16UH11A

---

(3 BURNER)

(4 BURNER)

(4 BURNER)

(5 BURNER)

MOTORS

*

1

MOTOR, DIRECT DRIVE BLOWER

024-31969-000

024-31969-000

024-26002-000

024-25110-000

1

2

MOTOR, VENTOR ASS’Y

024-27653-000

024-27653-000

024-27653-000

024-27653-000

ELECTRICAL

1

3

CAPACITOR, RUN 

 (7.5MFD/370V)     [RC]

024-20045-000

024-20045-000

---

024-20045-000

CAPACITOR, RUN 

(10MFD/370V)       [RC]

---

---

024-20046-000

---

1

4

CONTROL, HIGH LIMIT

025-29041-005

025-29041-005

025-29041-005

025-29041-005

1

5

CONTROL, FURNACE             [FC]

031-09117-000

031-09117-000

031-09117-000

031-09117-000

1

6

IGNITER

025-32625-000

025-32625-000

025-32625-000

025-32625-000

1,3

7

SENSOR, FLAME

025-27773-000

025-27773-000

025-27773-000

025-27773-000

1

8

SWITCH, AIR PRESSURE      [1LP]

024-27655-001

024-27656-001

024-27656-001

024-27657-001

1

9

SWITCH, DOOR                        [SW]

024-31943-000

024-31943-000

024-31943-000

024-31943-000

*

10

TRANSFORMER

025-30889-000

025-30889-000

025-30889-000

025-30889-000

1,3

11

VALVE, GAS

025-35394-000

025-35394-000

025-35394-000

025-35394-000

1,3

12

SWITCH, FLAME ROLL-OUT 

[ROS 3]

025-27747-016

025-27747-016

025-27747-016

025-27747-018

3

12A

CONTROL, Flame Roll Out

 (2ea)[ROS1,2]

025-27792-009

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

025-30321-000

*

14

FUSE (ATO 3)

025-32746-026

025-32746-026

025-32746-026

025-32746-026

15

AIR MOVING

1

16

HOUSING, BLOWER

373-17827-001

373-17827-001

373-17829-002

373-17827-001

1

17

WHEEL, BLOWER

026-35497-000

026-35497-000

026-19654-009

026-19654-003

*

17A

CUTOFF, BLOWER

---

---

063-93198-000

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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.

Summary of Contents for LC8

Page 1: ...1 3 7 SENSOR FLAME 025 27773 000 025 27773 000 025 27773 000 025 27773 000 1 8 SWITCH AIR PRESSURE 1LP 024 27655 001 024 27656 001 024 27656 001 024 27657 001 1 9 SWITCH DOOR SW 024 31943 000 024 319...

Page 2: ...90 2 28 PANEL BLOWER ACCESS 373 19814 417 373 19814 417 373 19812 417 373 19812 417 2 29 PANEL TOP 073 19862 061 073 19862 061 073 19862 062 073 19862 062 2 30 WRAPPER INSULATED 373 19862 001 373 1986...

Page 3: ...011 373 19870 011 373 19870 011 373 19870 011 48 ISOLATOR TUBE 3 Req d 028 09412 001 028 09412 001 49 ISOLATOR WASHER 3 Req d 028 09412 002 028 09412 002 50 ISOLATOR SLEEVE 3 Req d 028 09412 003 028 0...

Page 4: ...TCH 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 02...

Page 5: ...6 090 2 28 PANEL BLOWER ACCESS 373 19816 417 373 19816 417 373 19816 417 2 29 PANEL TOP 073 19862 063 073 19862 063 073 19862 063 2 30 WRAPPER INSULATED 373 19862 003 373 19862 003 373 19862 003 2 31...

Page 6: ...OR TUBE 3 Req d 028 09412 001 028 09412 001 028 09412 001 49 ISOLATOR WASHER 3 Req d 028 09412 002 028 09412 002 028 09412 002 50 ISOLATOR SLEEVE 3 Req d 028 09412 003 028 09412 003 028 09412 003 51 M...

Page 7: ...DELS 6ET03700024 THERMOSTAT Hardwired 2 Heat 2 Cool Programmable auto changeover System Switch Cool Off Heat Fan Switch Auto On ALL MODELS 6ET03700124 THERMOSTAT Hardwired 1 Heat 1 Cool Manual changeo...

Page 8: ...ational Corp 2005 All rights reserved Supersedes 035 20353 001 Rev A 0504 Unitary 5005 Norman Products York OK Group Drive 73069 TO ORDER AUTHORIZED FACTORY REPLACEMENT PARTS Contact your Source1 HVAC...

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