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P3HU - UPFLOW/HORIZONTAL
NATURAL GAS FURNACES - (80%)
(STYLES A & B, INCLUDING LOW NOX)
HVAC SERVICE PARTS
Supersedes: 035-14231-000 Rev. A (0603) 035-14231-000 Rev. B (1203)
1 of 12
38
28
37
2
11
4
6,20
24
22
9
10
5
3
39
25
32
27
35
19
29
23
12
17
21
13
1
7
16
41
8
15
30
26
Figure 1: UPFLOW/HORIZONTAL NATURAL GAS FURNACES (80%)
FIG ITEM DESCRIPTION
P3HUA08N03201A P3HUA08N04801A
P3HUA08L03201A P3HUA08L04801A
P3HUA12N03201A
P3HUA12N03201B
P3HUA12L03201A
P3HUA12L03201B
P3HUA12N04801A
P3HUA12N04801B
P3HUA12L04801A
P3HUA12L04801B
(2 BURNER) (3 BURNER) (2 BURNER) (3 BURNER)
MOTORS
1 1 MOTOR,DIRECT DRIVE BLOWER 024-25108-003 024-25108-003 024-25103-002 024-25103-002
1 2 MOTOR,VENTOR ASS’Y. 024-27519-000 024-27519-000 024-27519-000 024-27519-000
ELECTRICAL
1 3
1
1
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] 024-27628-000 024-27628-000 024-27628-000 024-27628-000 <
1
1
1,3 11 VALVE, GAS 025-31996-000 025-31996-000 025-31996-000 025-31996-000
1,3
3
1 13 CONTROL, AUX. LIMIT(2 ea.)[LS2,LS3] 025-30321-000 025-30321-000 025-30321-000 025-30321-000
* 14 FUSE (AT0-3) 025-32746-026 025-32746-026 025-32746-026 025-32746-026
AIR MOVING
1 15 HOUSING, BLOWER 373-17771-002 373-17771-002 373-17827-001 373-17827-001
1 16 WHEEL, BLOWER 026-19654-002 026-19654-002 026-35497-000 026-35497-000
CAPACITOR, RUN (5 MFD/370V) [RC]
CAPACITOR, RUN (7.5MFD/370V) [RC]
4 CONTROL, HIGH LIMIT 025-29041-011 025-29041-002 025-29041-011 025-29041-002
5 CONTROL, FURNACE [FC] 031-01266-000 031-01266-000 031-01266-000 031-01266-000
9 SWITCH, DOOR [SW] 024-25811-000 024-25811-000 024-25811-000 024-25811-000
10 TRANSFORMER 025-30889-000 025-30889-000 025-30889-000 025-30889-000
12 SWITCH, FLAME ROLL-OUT [ROS 3] 025-27747-016 025-27747-016 025-27747-016 025-27747-016
12A CONTROL , FLAME ROLL-OUT (2ea.)[ROS1,2] 025-27792-009 025-27792-009 025-27792-009 025-27792-009
024-20043-000 024-20043-000 --- ---
--- --- 024-20045-000 024-20045-000
NOTE: *Not Shown
New replacement parts shown in bold face type at the first printing of parts list dated 12/03.
Major components and suggested stocking items are shown with shaded item number.
“<“ Across from row indicates a change in that row.
--- Not applicable
Unitary Products Group
035-14231-000 Rev. B (1203) 2 of 12
38
41
28
29
37
2
35
8
23
12
7
17
11
4
6,20
24
39
25
19
21
13
1
16
15
22
9
10
32
5
27
3
30
26
Figure 1: UPFLOW/HORIZONTAL NATURAL GAS FURNACES (80%)
FIG ITEM DESCRIPTION
P3HUA08N03201A P3HUA08N04801A
P3HUA08L03201A P3HUA08L04801A
P3HUA12N03201A
P3HUA12N03201B
P3HUA12L03201A
P3HUA12L03201B
P3HUA12N04801A
P3HUA12N04801B
P3HUA12L04801A
P3HUA12L04801B
(2 BURNER) (3 BURNER) (2 BURNER) (3 BURNER)
FABRICATED PARTS
1 17 SHIELD, SECONDARY AIR 073-17404-002 073-17404-003 073-17404-002 073-17404-003
* 18 BAFFLE, FLUE 073-17775-001 073-17775-001 073-17775-001 073-17775-001
1,3 19 BURNER, MAIN GAS 029-20482-000 029-20482-000 029-20482-000 029-20482-000
1 20 BRACKET, IGNITER 073-17403-000 073-17403-000 073-17403-000 073-17403-000
1 21 DECK, BLOWER (Rear) 073-17501-002 073-17501-002 073-17502-002 073-17502-002
1 22 DECK, FRONT 073-17496-000 073-17496-000 073-17496-000 073-17496-000
1 23 HEAT EXCHANGER ASS’Y 373-17477-002 373-17477-003 373-17477-002 373-17477-003
1,3 24 MANIFOLD, GAS 029-22114-001 029-22114-002 029-22114-001 029-22114-002
1 25 PANEL, ACCESS (Burner) 073-17520-001 073-17520-001 073-17520-001 073-17520-001
1 26 PAN, BASE 073-17504-001 073-17504-001 073-17504-001 073-17504-001 <
1 27 PANEL, FRONT (Blower) 073-17522-001 073-17522-001 073-17522-001 073-17522-001
1 28 PANEL, TOP 073-17491-001 073-17491-001 073-17491-001 073-17491-001
1 29 WRAPPER, INSULATED 373-17476-001 373-17476-001 373-17476-001 373-17476-001
1 30 CHANNEL, TOE PLATE 073-12062-005 073-12062-005 073-12062-005 073-12062-005
NOTE: *Not Shown
New replacement parts shown in bold face type at the first printing of parts list code dated 12/03.
Major components and suggested stocking items are shown with shaded item number.
“<“ Across from row indicates a change in that row.
--- Not Applicable
Unitary Products Group
3 of 12 035-14231-000 Rev. B (1203)
12A
11
19
24
7
36
12
35
Figure 3 - GAS CONTROLS<
FIG ITEM DESCRIPTION
P3HUA08N03201A P3HUA08N04801A
P3HUA08L03201A P3HUA08L04801A
P3HUA12N03201A
P3HUA12N03201B
P3HUA12L03201A
P3HUA12L03201B
P3HUA12N04801A
P3HUA12N04801B
P3HUA12L04801A
P3HUA12L04801B
(2 BURNER) (3 BURNER) (2 BURNER) (3 BURNER)
MISCELLANEOUS
* 31 FILTER 026-28048-001 026-28048-001 026-28048-001 026-28048-001
1 32 PLUG, WINDOW, CLEAR - .875” 025-30899-000 025-30899-000 025-30899-000 025-30899-000
* 33 RETAINER, FILTER 026-28040-000 026-28040-000 026-28040-000 026-28040-000
* 34 CLIP, SPRING (FILTER RETAINER) 021-16017-000 021-16017-000 021-16017-000 021-16017-000
1,3 35 BRACKET, ROLL-OUT SWITCH 073-12033-000 073-12033-000 073-12033-000 073-12033-000
36
3
1
1 38 COLLAR, FLUE 073-17506-000 073-17506-000 073-17506-000 073-17506-000
1 39 HANDLE, DOOR 029-22113-000 029-22113-000 029-22113-000 029-22113-000
* 40 GASKET, RESTRICTOR PLATE 028-13258-000 028-13258-000 028-13258-000 028-13258-000
1 41 TUBING, SILICONE 028-12499-000 028-12499-000 028-12499-000 028-12499-000
* 42 SPRING, DOOR 029-22119-000 029-22119-000 029-22119-000 029-22119-000
* 43 DIAGRAM, WIRING 035-14440-000 035-14440-000 035-14440-000 035-14440-000
* 44 HARNESS, WIRING (Main) 373-17837-001 373-17837-001 373-17837-001 373-17837-001
* 45 GASKET, VENTOR INLET 028-13292-000 028-13292-000 028-13292-000 028-13292-000
* 46 GASKET, VENTOR OUTLET 028-13293-000 028-13293-000 028-13293-000 028-13293-000
*4 7
ORIFICE, BURNER (Natural #45)
PLATE, RESTRICTOR (N-Model)
37
PLATE, RESTRICTOR (L-Model)
SCREEN, LO NOX (L-Model only)
(Qty. req’d equals no. of burners)
029-21182-045 029-21182-045 029-21182-045 029-21182-045
073-17777-106
073-17777-109
073-11904-000 073-11904-000 073-11904-000 073-11904-000
073-17777-138
073-17777-150
073-17777-106
073-17777-109
073-17777-138
073-17777-150
NOTE: *Not Shown
New replacement parts shown in bold face type at the first printing of parts list dated 12/03.
Major components and suggested stocking items are shown with shaded item number.
“<“ Across from row indicates a change in that row.
--- Not Applicable
Unitary Products Group
035-14231-000 Rev. B (1203) 4 of 12
38
41
28
29
37
2
35
8
23
12
7
17
11
4
6,20
24
39
25
19
21
13
1
16
15
22
9
10
32
5
27
3
30
26
Figure 1: UPFLOW/HORIZONTAL NATURAL GAS FURNACES (80%)
FIG ITEM DESCRIPTION
P3HUA12N06401A
P3HUA12N06401B
P3HUA12L06401A
P3HUA12L06401B
P3HUB12N08001A
P3HUB12L08001A
P3HUB16N06401A
P3HUB16N06401B
P3HUB16L06401A
P3HUB16L06401B
P3HUB16N08001A
P3HUB16L08001A
(4 BURNER) (5 BURNER) (4 BURNER) (5 BURNER)
MOTORS
1 1 MOTOR,DIRECT DRIVE BLOWER 024-25103-002 024-25110-000 024-27540-000 024-27540-000 <
1 2 MOTOR,VENTOR ASS’Y 024-27519-000 024-27519-000 024-27519-000 024-27519-000
ELECTRICAL
1 3
1 4 CONTROL, HIGH LIMIT 025-29041-005 025-29041-005 025-29041-005 025-29041-005
1 5 CONTROL, FURNACE [FC] 031-01266-000 031-01266-000 031-01266-000 031-01266-000
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
1 9 SWITCH, DOOR [SW] 024-25811-000 024-25811-000 024-25811-000 024-25811-000
1
1,3
1,3
3
* 13 CONTROL, AUX. LIMIT(2 ea.)[LS2,LS3] 025-30321-000 025-30321-000 025-30321-000 025-30321-000
*
AIR MOVING
1
1
CAPACITOR, RUN (7.5MFD/370V) [RC] 024-20045-000 024-20045-000 --- ---
CAPACITOR, RUN (10MFD/370V) [RC] --- --- 024-20046-000 024-20046-000
8 SWITCH, AIR PRESSURE [1LP] 024-27629-000 024-27630-000 024-27629-000 024-27630-000
10 TRANSFORMER 025-30889-000 025-30889-000 025-30889-000 025-30889-000
11 VALVE, GAS 025-31996-000 025-31996-000 025-31996-000 025-31996-000
12 SWITCH, FLAME ROLL-OUT [ROS 3] 025-27747-016 025-27747-018 025-27747-016 025-27747-018
CONTROL,FLAME ROLL-OUT (2ea.)[ROS1,2]
12A
14 FUSE (ATO 3) 025-32746-026 025-32746-026 025-32746-026 025-32746-026
15 HOUSING, BLOWER 373-17827-001 373-17827-001 373-17827-001 373-17828-001
16 WHEEL, BLOWER 026-35497-000 026-35497-000 026-19654-005 026-19654-005
025-27792-009 025-27792-009 025-27792-009 025-27792-009
NOTE: *Not Shown
New replacement parts shown in bold face type at the first printing of parts list dated 12/03.
Major components and suggested stocking items are shown with shaded item number.
“<“ Across from row indicates a change in that row.
--- Not Applicable
Unitary Products Group