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GMC GMN120-5 gas furnace

GMC GMN120-5 gas furnace Parts

Here are the diagrams and repair parts for GMC GMN120-5 gas furnace, as well as links to manuals and error code tables, if available.

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Browse Parts for GMN120-5 Gas Furnace

  • Vnt Comb Kit for GMC GMN120-5 - Part B18105-11

    Vnt Comb Kit

    Part #B18105-11

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

  • Control Moun for GMC GMN120-5 - Part 18158-12

    Heat exchangers/misc.electrical diagram

    Control Moun

    Part #18158-12

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

  • Flue Col Gsk for GMC GMN120-5 - Part B28325-03

    Heat exchangers/misc.electrical diagram

    Flue Col Gsk

    Part #B28325-03

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

  • Temperature Switch for GMC GMN120-5 - Part B13701-46

    Heat exchangers/misc.electrical diagram

    Temperature Switch

    Part #B13701-46

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

  • Motor Mounting Bracket for GMC GMN120-5 - Part B13768-59

    Heat exchanger diagram

    Motor Mounting Bracket

    Part #B13768-59

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

  • Door Switch for GMC GMN120-5 - Part B13708-19

    Heat exchangers/misc.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

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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