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Unitary Products Group
035-19688-001 Rev. D (1005) 3 of 4
Models 10020, 125, 150
ITEM DESCRIPTION
GF8100D20MU11A GF8125D20MU11A GF8150D20UH11A
4 BURNER 5 BURNER 6 BURNER
1 Casing, Top Cap 073-19861-043 073-19861-043 073-19861-044
2 Heat Exchanger Assembly 2704-5031/A 2805-5031 2706-5031/A
3* Gasket, Vent Blower 2702-305 2702-305 2702-305
4 Blower, Vent 024-34490-000 024-34490-000 024-34490-000
5 Tube, Pressure 028-12499-000 028-12499-000 028-12499-000
6 Switch, Pressure 024-35311-000 024-35311-000 024-35311-000
7 Switch, Roll Out (3 Req’d) 2702-3191 2702-3191 2702-3191
8 Rod, Sensor 2702-311P 2702-311P 2702-311P
9 Ignitor 025-32625-000 025-32625-000 025-32625-000
10 Bracket, Ignitor 2702-1311 2702-1311 2702-1311
11 Switch, Limit (Open 175 deg.) 2702-316P/A 2702-316P/A 2702-316P/A
12 Switch, Door 024-27640-000 024-27640-000 024-27640-000
13 Control, Integrated 031-01267-001 031-01267-001 031-01267-001
14* Harness, Wire 2805-4711 2805-4711 2806-4711
15 Transformer (40VA) 2940A3541 2940A3541 2940A3541 1
16 Capacitor (15MFD, 370V) 024-20446-000 024-20446-000 024-20446-000
17
Wheel, Blower
#See Note Below
1472-2851
1472-2861
1472-2851
1472-2861
1472-2851
1472-2861
18 Motor, Blower 024-34491-000 024-34491-000 024-34491-000
19 Mount Assy, Motor 2705-4181 2705-4181 2705-4181
20 Motor Mounts, Rubber (3 per pkg,) 7670-3551 7670-3551 7670-3551
21 Valve, Gas 025-37426-000 025-37426-000 025-37426-000
22
Orifice, Gas (Natural-0-2,000 Ft.)
Orifice, Gas (LP-0-2,000 Ft.)
Orifice, Gas (Natural-High Altitude-2,000-5,000 Ft.)
Orifice, Gas (Natural-High Altitude-5,000-7,000 Ft.)
Orifice, Gas (LP-High Altitude-2,000-7,000 Ft.)
029-21182-042
029-21182-054
029-21182-043
029-21182-044
029-21182-055
029-21182-042
029-21182-054
029-21182-043
029-21182-044
029-21182-055
029-21182-042
029-21182-054
029-21182-043
029-21182-044
029-21182-055
23 Burner 2702-308P 2702-308P 2702-308P
24 Panel, Door 373-19861-053 373-19861-053 373-19861-053
25 Casing, Bottom Cap 373-19861-033 373-19861-033 373-19861-033
26
Transition, 3”
Transition. 4”
2802-306
---
2802-306
---
---
2703-3061/A
27 Blower Assembly 373-22099-042 373-22099-042 373-22099-042
28 Burner Assembly 2804-520 2805-520 2806-520
29 Clip, Door Latch (2 per pkg) 021-31399-000 021-31399-000 021-31399-000
30* Diagram, Wiring 035-19993-001 035-19993-001 035-19993-001
31 Spacer (Ferrule) (3 Req’d) --- --- ---
32 Wrapper, Casing 073-19861-023 073-19861-023 073-19861-023
33 Manifold, Gas 029-22240-003 029-22240-004 029-22241-002
34* Logo/Bezel Plate Assy 373-23701-004 373-23701-004 373-23701-004
35* Blower Housing 373-23902-000 373-23902-000 373-23902-000
NOTE: *Not Shown
New replacement parts shown in bold face type at the first printing of parts list dated 10/05.
Major components and suggested stocking items are shown with shaded item number.
“<“ Across from row indicates a change in that row.
--- Not applicable to specified model.
# Both Blower Wheels are used on these Models.
All parts with three digit suffix numbers are “Special Order” parts. These parts are subject to factory
availability and require extra time for delivery.