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

D (1005) GF8 SERIES CLAM TUBE - (80%) MULTI-POSITION GAS FURNACE HVAC SERVICE PARTS Supersedes:035-19688-001 Rev. C (0805) 035-19688-001 Rev. D (1005) 1 of 4 Unitary Products Group 2 of 4 035-19688-001 Rev. D (1005) Models 50, 7512, 7516, 10016 ITEM DESCRIPTION GF8050B12MU11A GF8075B12MU11A GF8075C16MU11A GF8100C16MU11A 2 BURNER 3 BURNER 3 BURNER 4 BURNER 1 Casing, Top Cap 373-19861-041 373-19861-041 073-19861-042 073-19861-042 2 Heat Exchanger Assembly 2702-5031/A 2703-5031/A 2703-5031/A 2704-5

Motor 073-19831-001 073-19831-001 073-19831-001 073-19831-001 20 Motor Mounts, Rubber (3 Req’d) 028-14740-000 028-14740-000 028-14740-000 028-14740-000 21 Valve, Gas 025-37426-000 025-37426-000 025-37426-000 025-37426-000 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

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. All parts with three digit suffix numbers are “Special Order” parts. These parts are subject to factory availability and require extra time for delivery. 2 of 4 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 BURN