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GMC GDPI120-5 gas furnace

GMC GDPI120-5 gas furnace Parts

Here are the diagrams and repair parts for GMC GDPI120-5 gas furnace, as well as links to manuals and error code tables, if available.

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Browse Parts for GDPI120-5 Gas Furnace

  • Flue Baffle for GMC GDPI120-5 - Part 18228-00

    Heat exchanger assembly diagram

    Flue Baffle

    Part #18228-00

    The manufacturer no longer makes this part, and there's no substitute part

  • Ctl Access D for GMC GDPI120-5 - Part 18813-09P

    Gas furnace diagram

    Ctl Access D

    Part #18813-09P

    The manufacturer no longer makes this part, and there's no substitute part

  • Top Angle, 2 for GMC GDPI120-5 - Part 18814-02

    Gas furnace diagram

    Top Angle, 2

    Part #18814-02

    The manufacturer no longer makes this part, and there's no substitute part

  • Furnace Air Pressure Switch for GMC GDPI120-5 - Part B13701-33

    Electrical & hardware diagram

    Furnace Air Pressure Switch

    Part #B13701-33

    The manufacturer no longer makes this part, and there's no substitute part

  • Gas Orifice for GMC GDPI120-5 - Part B17893-43

    Gas furnace diagram

    Gas Orifice

    Part #B17893-43

    The manufacturer no longer makes this part, and there's no substitute part

  • Burner Assembly for GMC GDPI120-5 - Part B18225-02

    Gas furnace diagram

    Burner Assembly

    Part #B18225-02

    The manufacturer no longer makes this part, and there's no substitute part

  • Limit, 160f, for GMC GDPI120-5 - Part B13700-08

    Heat exchanger assembly diagram

    Limit, 160f,

    Part #B13700-08

    The manufacturer no longer makes this part, and there's no substitute part

  • Manifold, 4 for GMC GDPI120-5 - Part B18264-02

    Gas furnace diagram

    Manifold, 4

    Part #B18264-02

    The manufacturer no longer makes this part, and there's no substitute part

  • Top Duct Ang for GMC GDPI120-5 - Part 18221-07

    Gas furnace diagram

    Top Duct Ang

    Part #18221-07

    The manufacturer no longer makes this part, and there's no substitute part

  • Secondary Ai for GMC GDPI120-5 - Part 18224-16

    Heat exchanger assembly diagram

    Secondary Ai

    Part #18224-16

    The manufacturer no longer makes this part, and there's no substitute part

Symptoms for upright freezers

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Repair guides for upright freezers

How to replace a freezer electronic control board

How to replace a freezer electronic control board

The electronic control board manages the compressor to control freezer temperature. Replace the control board using the…

Repair time and Difficulty

 45 minutes or less
How to replace a freezer thermistor

How to replace a freezer thermistor

When the thermistor can’t sense the freezer temperature, the freezer is colder or warmer than the set temperature. Follo…

Repair time and Difficulty

 45 minutes or less
How to replace a freezer door switch

How to replace a freezer door switch

When the door switch fails, the freezer can’t detect that the door is closed. Follow the steps in this repair guide to r…

Repair time and Difficulty

 15 minutes or less

Effective articles & videos to help repair your furnaces

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Get expert tips for preparing your furnace for winter. Follow maintenance tips to keep your furnace in top shape.…

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2023 HVAC regulation changes and how they may affect you

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