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Goodman GMNT120-5B gas furnace

Goodman GMNT120-5B gas furnace Parts

Here are the diagrams and repair parts for Goodman GMNT120-5B gas furnace, as well as links to manuals and error code tables, if available.

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Browse Parts for GMNT120-5B Gas Furnace

  • Furnace Secondary Heat Exchanger, 24-1/2-in for Goodman GMNT120-5B - Part 2864607S

    Heat exchanger assembly diagram

    Furnace Secondary Heat Exchanger, 24-1/2-in

    Part #2864607S
    In Stock
    $923.00
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  • Furnace Burner for Goodman GMNT120-5B - Part B4022700

    Burner box assembly diagram

    Furnace Burner

    Part #B4022700
    In Stock
    $34.62
    15% OFF Phone Price : $40.62Info Icon
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  • Burner Rack for Goodman GMNT120-5B - Part 0121F00157

    Burner box assembly diagram

    Rack

    Part #2513501

    Replaced by #0121F00157

    Info Icon
    Manufacturer substitution
    This part replaces 2513501. Substitute parts can look different from the original.
    In Stock
    $34.90
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  • Goodman Blw Mtr Psc 1/2hp 1130rpm 115v for Goodman GMNT120-5B - Part 0131F00042SP

    Blower assembly diagram

    Furnace Blower Fan Motor

    Part #0131F00022

    Replaced by #0131F00042SP

    Info Icon
    Manufacturer substitution
    This part replaces 0131F00022. Substitute parts can look different from the original.
    In Stock
    $422.68
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  • Burner for Goodman GMNT120-5B - Part 0121F00146

    Burner box assembly diagram

    Side

    Part #2514000

    Replaced by #0121F00146

    Info Icon
    Manufacturer substitution
    This part replaces 2514000. Substitute parts can look different from the original.
    In Stock
    $24.40
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    Qty
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  • Furnace Blower Fan Motor Housing for Goodman GMNT120-5B - Part 2539305S

    Blower assembly diagram

    Shell

    Part #2539305

    Replaced by #2539305S

    Info Icon
    Manufacturer substitution
    This part replaces 2539305. Substitute parts can look different from the original.
    In Stock
    $118.16
    9% OFF Phone Price : $130.16Info Icon
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  • Burner Rck for Goodman GMNT120-5B - Part 0121F00159

    Burner box assembly diagram

    Rack

    Part #2513503

    Replaced by #0121F00159

    Info Icon
    Manufacturer substitution
    This part replaces 2513503. Substitute parts can look different from the original.
    In Stock
    $116.86
    Minus Item
    Qty
    Plus Item
  • Manifold, Gas 2 Cl (gmt045-3b, Gdt045-3b, Gmth045-3b) for Goodman GMNT120-5B - Part B4026005

    Burner box assembly diagram

    Manifold, Gas 2 Cl (gmt045-3b, Gdt045-3b, Gmth045-3b)

    Part #B4026005

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

  • Flue Collector Box Kit, 17.5" (gmt090-3b, Gmt090-4b, Gdt090-4b) for Goodman GMNT120-5B - Part 4010015S

    Heat exchanger assembly diagram

    Flue Collector Box Kit, 17.5" (gmt090-3b, Gmt090-4b, Gdt090-4b)

    Part #4010015S

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

  • Cover-box for Goodman GMNT120-5B - Part 4015500

    Misc. components/drain kit assembly diagram

    Cover-box

    Part #4015500

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

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How to replace a range surface element control switch

How to replace a range surface element control switch

The surface element control switch lets you turn the stovetop elements on and off, and to set the heat level. These step…

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Repair time and Difficulty

 15 minutes or less

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How to get your furnace ready for winter

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

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Find out how new DOE standards going into effect in 2023 can affect you and what you need to do.…

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