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Janitrol GUN050-2B gas furnace Parts

Here are the diagrams and repair parts for Janitrol GUN050-2B gas furnace, as well as links to manuals and error code tables, if available.

Janitrol GUN050-2B gas furnace
By Schematic
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Browse Parts for GUN050-2B Gas Furnace

  • Gasket Kit for Janitrol GUN050-2B - 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

  • Secondary Ai for Janitrol GUN050-2B - Part 18224-08

    Heat exchanger assembly diagram

    Secondary Ai

    Part #18224-08

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

  • Burner Assembly for Janitrol GUN050-2B - Part B18225-09

    Gas train diagram

    Burner Assembly

    Part #B18225-09

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

  • Manifold, 5 for Janitrol GUN050-2B - Part B18264-19

    Gas train diagram

    Manifold, 5

    Part #B18264-19

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

  • Top Channel (gun125-5b, Gus125-5) for Janitrol GUN050-2B - Part 18221-06S

    Casing diagram

    Top Channel (gun125-5b, Gus125-5)

    Part #18221-06S

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

  • Motor for Janitrol GUN050-2B - Part B13400-14

    Blower assembly diagram

    Motor

    Part #B13400-14

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

  • Limit, 240f, for Janitrol GUN050-2B - 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

  • Burner Box T for Janitrol GUN050-2B - Part 18823-01

    Heat exchanger assembly diagram

    Burner Box T

    Part #18823-01

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

  • Gas Burner for Janitrol GUN050-2B - Part B18225-01

    Gas train diagram

    Gas Burner

    Part #B18225-01

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

  • Secondary Ai for Janitrol GUN050-2B - Part 18224-11

    Heat exchanger assembly diagram

    Secondary Ai

    Part #18224-11

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

Symptoms for gas cooktops

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

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

Main causes: stuck burner igniter switch, wet igniter switch contacts, faulty spark module…

Repair guides for gas cooktops

How to replace a spark module on a gas cooktop

How to replace a spark module on a gas cooktop

No flame on your gas cooktop? Installing a new spark module could be the fix you need.…

Repair time and Difficulty

 30 minutes or less
How to replace a spark igniter switch on a gas cooktop

How to replace a spark igniter switch on a gas cooktop

Follow these step-by-step instructions to fix the surface burner ignition system on your gas cooktop by replacing the sp…

Repair time and Difficulty

 45 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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