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GMC GMN100-4 gas furnace

GMC GMN100-4 gas furnace Parts

Here are the diagrams and repair parts for GMC GMN100-4 gas furnace, as well as links to manuals and error code tables, if available.

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Browse Parts for GMN100-4 Gas Furnace

  • Exact Furn I for GMC GMN100-4 - Part IG412

    Heat assembly/electrical diagram

    Hot Surface

    Part #B14010-09S

    Replaced by #IG412

    Info Icon
    Manufacturer substitution
    This part replaces B14010-09S. Substitute parts can look different from the original.
    In Stock
    $29.09
    Minus Item
    Qty
    Plus Item
  • Furnace Flue Collector Box, 21-in for GMC GMN100-4 - Part 28200-06S

    Heat assembly/electrical diagram

    Flue Col Box

    Part #B28100-06

    Replaced by #28200-06S

    Info Icon
    Manufacturer substitution
    This part replaces B28100-06. Substitute parts can look different from the original.
    In Stock
    $198.76
    12% OFF Was : $225.19Info Icon
    Minus Item
    Qty
    Plus Item
  • Furnace Blower Fan Wheel for GMC GMN100-4 - Part D6723306S

    Heat exchanger 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
    Minus Item
    Qty
    Plus Item
  • Burner for GMC GMN100-4 - Part 0121F00146

    Heat assembly/electrical diagram

    Burner Side

    Part #25140-00

    Replaced by #0121F00146

    Info Icon
    Manufacturer substitution
    This part replaces 25140-00. Substitute parts can look different from the original.
    In Stock
    $24.40
    Minus Item
    Qty
    Plus Item
  • Screw for GMC GMN100-4 - Part B28649-00

    Heat assembly/electrical diagram

    Screw

    Part #B28649-00

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

  • Rear Air Baf for GMC GMN100-4 - Part 28162-03

    Heat exchanger diagram

    Rear Air Baf

    Part #28162-03

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

  • Endcap Gaskt for GMC GMN100-4 - Part B28325-10

    Heat assembly/electrical diagram

    Endcap Gaskt

    Part #B28325-10

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

  • Cover for GMC GMN100-4 - Part 25155-00

    Heat exchanger diagram

    Cover

    Part #25155-00

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

  • Furnace Blower Mount for GMC GMN100-4 - Part 28171-00

    Heat exchanger diagram

    Furnace Blower Mount

    Part #28171-00

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

  • Door Switch for GMC GMN100-4 - Part B13708-19

    Heat assembly/electrical diagram

    Door Switch

    Part #B13708-19

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

Symptoms for top-mount refrigerators

Main causes: frozen or clogged defrost drain tube, cracked water system tubing…

Repair guides for top-mount refrigerators

How to replace the light switch in a top-freezer refrigerator

How to replace the light switch in a top-freezer refrigerator

The light switch turns the refrigerator light on and off and monitors door position. Replace the light switch if it does…

Repair time and Difficulty

 15 minutes or less
How to replace the water inlet valve in a top-freezer refrigerator

How to replace the water inlet valve in a top-freezer refrigerator

The water inlet valve controls water flow to the ice maker. Replace the water valve if it doesn't open or shut properly.…

Repair time and Difficulty

 15 minutes or less
How to replace the compressor run capacitor in a top-freezer refrigerator

How to replace the compressor run capacitor in a top-freezer refrigerator

The run capacitor sends electric current to the compressor motor to help the motor run efficiently. Replace the run capa…

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.…

2023 HVAC regulation changes and how they may affect you

2023 HVAC regulation changes and how they may affect you

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

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Top questions about Sears and Sears PartsDirect

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