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GMC GDPX120-5B gas furnace

GMC GDPX120-5B gas furnace Parts

Here are the diagrams and repair parts for GMC GDPX120-5B gas furnace, as well as links to manuals and error code tables, if available.

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Browse Parts for GDPX120-5B Gas Furnace

  • Manifold, 3 for GMC GDPX120-5B - Part B18264-01

    Gas furnace diagram

    Manifold, 3

    Part #B18264-01

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

  • Motor for GMC GDPX120-5B - Part B13400-15

    Blower assemblies diagram

    Motor

    Part #B13400-15

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

  • Secondary Ai for GMC GDPX120-5B - Part 18224-19

    Heat exchanger assembly diagram

    Secondary Ai

    Part #18224-19

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

  • Energy Cut-o for GMC GDPX120-5B - Part B14972-04

    Heat exchanger assembly diagram

    Energy Cut-o

    Part #B14972-04

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

  • Blower Asm. for GMC GDPX120-5B - Part 18682-47S

    Blower assemblies diagram

    Blower Asm.

    Part #18682-47S

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

  • Service Blow for GMC GDPX120-5B - Part 18682-45S

    Blower assemblies diagram

    Service Blow

    Part #18682-45S

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

  • Furnace Blower Fan Motor Mounting Bracket for GMC GDPX120-5B - Part B13768-57

    Blower assemblies diagram

    Furnace Blower Fan Motor Mounting Bracket

    Part #B13768-57

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

  • Heat Exch. S for GMC GDPX120-5B - Part 18212-36S

    Heat exchanger assembly diagram

    Heat Exch. S

    Part #18212-36S

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

  • Blower Shell for GMC GDPX120-5B - Part 14393-91

    Blower assemblies diagram

    Blower Shell

    Part #14393-91

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

  • Burner Assembly for GMC GDPX120-5B - Part B18225-07

    Gas furnace diagram

    Burner Assembly

    Part #B18225-07

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

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

Main causes: faulty sensors, wiring failure, bad control console…

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

Main causes: bad control console, wiring failure, bad motor control board…

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

Repair guides for treadmills

These step-by-step repair guides will help you safely fix what’s broken on your treadmill.

How to replace a treadmill walking belt

How to replace a treadmill walking belt

A worn walking belt will begin to slow down during use. If your treadmill walking belt is worn out, replace it using the…

Repair time and Difficulty

 45 minutes or less
How to replace a treadmill walking board

How to replace a treadmill walking board

A worn-out walking board creates friction with the walking belt and causes the belt to slow down during use. Replace the…

Repair time and Difficulty

 30 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

Repair time and Difficulty

 15 minutes or less

Effective articles & videos to help repair your furnaces

Use the advice and tips in these articles and videos to get the most out of your treadmill.

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.…

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