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Goodman GUN100-4B gas furnace

Goodman GUN100-4B gas furnace Parts

Here are the diagrams and repair parts for Goodman GUN100-4B gas furnace, as well as links to manuals and error code tables, if available.

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Browse Parts for GUN100-4B Gas Furnace

  • Motor Run Capacitor for Goodman GUN100-4B - Part 12910

    Blower assembly diagram

    Capacitor 15

    Part #B9456-53

    Replaced by #12910

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    Manufacturer substitution
    This part replaces B9456-53. Substitute parts can look different from the original.
    In Stock
    $7.95
    11% OFF Phone Price : $8.95Info Icon
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  • Exact Furn I for Goodman GUN100-4B - Part IG412

    Gas train diagram

    Hot Surface

    Part #B14010-09

    Replaced by #IG412

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    Manufacturer substitution
    This part replaces B14010-09. Substitute parts can look different from the original.
    In Stock
    $29.09
    Minus Item
    Qty
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  • Furnace Blower Fan Wheel for Goodman GUN100-4B - Part D6723306S

    Blower assembly diagram

    Blower Wheel

    Part #B13680-47

    Replaced by #D6723306S

    Info Icon
    Manufacturer substitution
    This part replaces B13680-47. Substitute parts can look different from the original.
    In Stock
    $150.10
    7% OFF Phone Price : $162.10Info Icon
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    Qty
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  • Furnace Blower Fan Motor Housing for Goodman GUN100-4B - Part 0271A00016S

    Blower assembly diagram

    Blower Shell

    Part #18393-00

    Replaced by #0271A00016S

    Info Icon
    Manufacturer substitution
    This part replaces 18393-00. Substitute parts can look different from the original.
    In Stock
    $136.57
    8% OFF Phone Price : $148.57Info Icon
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  • Heat Exchange for Goodman GUN100-4B - Part 18212-30S

    Heat exchanger assembly diagram

    Heat Exchange

    Part #18212-30S

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

  • Flue Restrictor (gun100-4b, Gus100-4) for Goodman GUN100-4B - Part 18248-11S

    Heat exchanger assembly diagram

    Flue Restrictor (gun100-4b, Gus100-4)

    Part #18248-11S

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

  • Manifold, 2 for Goodman GUN100-4B - Part B18264-12

    Gas train diagram

    Manifold, 2

    Part #B18264-12

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

  • Secondary Ai for Goodman GUN100-4B - Part 18820-09

    Heat exchanger assembly diagram

    Secondary Ai

    Part #18820-09

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

  • Furnace Burner Roll-out Limit Switch for Goodman GUN100-4B - Part B13701-08

    Heat exchanger assembly diagram

    Furnace Burner Roll-out Limit Switch

    Part #B13701-08

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

  • Air Pressure for Goodman GUN100-4B - Part B13701-07

    Misc. electrical/hardware diagram

    Air Pressure

    Part #B13701-07

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

Symptoms for gas ranges

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…

Repair guides for gas ranges

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How to replace a gas range oven igniter

If your gas oven doesn't heat up, the problem could be a faulty oven igniter. These step-by-step instructions guide you …

Repair time and Difficulty

 45 minutes or less
How to replace an oven temperature sensor on a gas range

How to replace an oven temperature sensor on a gas range

See how to replace an oven temperature sensor on a gas range.…

Repair time and Difficulty

 15 minutes or less
How to replace a gas range oven control board

How to replace a gas range oven control board

These step-by-step instructions explain how to replace an oven control board on a gas range…

Repair time and Difficulty

 15 minutes or less

Effective articles & videos to help repair your furnaces

How to get your furnace ready for winter

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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2023 HVAC regulation changes and how they may affect you

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