Free standard ground shipping within the 48 contiguous states with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number

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.

Janitrol GUS100-4 gas furnace
By Schematic
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts forGUS100-4 Gas Furnace

  • Flue Restrictor (gun075-3b, Gus075-3) for Janitrol GUS100-4 - Part 18248-01S

    Heat exchanger assembly diagram

    Flue Restrictor (gun075-3b, Gus075-3)

    Part #18248-01S

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

  • Limit, 240f, for Janitrol GUS100-4 - Part B13700-03

    Heat exchanger assembly diagram

    Limit, 240f,

    Part #B13700-03

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

  • Furnace Blower Door for Janitrol GUS100-4 - Part 18223-40

    Casing diagram

    Furnace Blower Door

    Part #18223-40

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

  • Air Pressure for Janitrol GUS100-4 - Part B13701-32

    Misc. electrical/hardware diagram

    Air Pressure

    Part #B13701-32

    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

  • Furnace Blower Door for Janitrol GUS100-4 - Part 18223-41

    Casing diagram

    Furnace Blower Door

    Part #18223-41

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

  • Rubber Sleev for Janitrol GUS100-4 - Part B18104-01

    Misc. electrical/hardware diagram

    Rubber Sleev

    Part #B18104-01

    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

  • Manifold Bra for Janitrol GUS100-4 - Part 18159-01

    Heat exchanger assembly diagram

    Manifold Bra

    Part #18159-01

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

  • Manifold, 5 for Janitrol GUS100-4 - Part B18264-19

    Gas train diagram

    Manifold, 5

    Part #B18264-19

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

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....

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

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

Parts & More

Central Air Conditioner
Compact Vhs-C Camcorder
Cooktop
Electric Cooktop
Electric Wall Oven
Electric Water Heater
Fitness & Exercise
Gas Wall Oven
Heating & Cooling Combined Unit
Lcd Television
Range
Small Appliance
Storm & Screen Doors
Treadmill