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Janitrol GUS100-4 gas furnace

Janitrol GUS100-4 gas furnace Parts

Here are the diagrams and repair parts for Janitrol GUS100-4 gas furnace, as well as links to manuals and error code tables, if available.

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Browse Parts for GUS100-4 Gas Furnace

  • Burner Box T for Janitrol GUS100-4 - Part 18823-00

    Heat exchanger assembly diagram

    Burner Box T

    Part #18823-00

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

  • Ignition Mod for Janitrol GUS100-4 - Part B13707-26

    Gas train diagram

    Ignition Mod

    Part #B13707-26

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

  • Top Channel (gun100-4b, Gus100-4) for Janitrol GUS100-4 - Part 18221-05S

    Casing diagram

    Top Channel (gun100-4b, Gus100-4)

    Part #18221-05S

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

  • Secondary Ai for Janitrol GUS100-4 - Part 18820-06

    Heat exchanger assembly diagram

    Secondary Ai

    Part #18820-06

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

  • Gasket Kit for Janitrol GUS100-4 - Part 13926-103

    Heat exchanger assembly diagram

    Gasket Kit

    Part #13926-103

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

  • Manifold, 3 for Janitrol GUS100-4 - Part B18264-17

    Gas train diagram

    Manifold, 3

    Part #B18264-17

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

  • Blower Shell for Janitrol GUS100-4 - Part 14393-77

    Blower assembly diagram

    Blower Shell

    Part #14393-77

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

  • Burner Assembly for Janitrol GUS100-4 - Part B18225-09

    Gas train diagram

    Burner Assembly

    Part #B18225-09

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

  • Blower Wheel for Janitrol GUS100-4 - Part B13680-34

    Blower assembly diagram

    Blower Wheel

    Part #B13680-34

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

  • Cover, Cumbu for Janitrol GUS100-4 - Part 18820-16

    Heat exchanger assembly diagram

    Cover, Cumbu

    Part #18820-16

    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.…

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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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