Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number
Lennox 1751 furnace

Lennox 1751 furnace Parts

Here are the diagrams and repair parts for Lennox 1751 furnace, as well as links to manuals and error code tables, if available.

By Schematic
SELECT DIAGRAM
?

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

Browse Parts for 1751 Furnace

  • Rod (g17x) for Lennox 1751 - Part LB-52258D

    Furnace diagram

    Rod (g17x)

    Part #LB-52258D

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

  • Capacitor-blr Mtr 5mfd, 370vac for Lennox 1751 - Part 59C9201

    Furnace diagram

    Capacitor-blr Mtr 5mfd, 370vac

    Part #59C9201

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

  • Housing-blower for Lennox 1751 - Part LB-35620CA

    Furnace diagram

    Housing-blower

    Part #LB-35620CA

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

  • Coupling Right for Lennox 1751 - Part 39H2301

    Furnace diagram

    Coupling Right

    Part #39H2301

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

  • Heat Exchanger for Lennox 1751 - Part LB-25922BAC

    Furnace diagram

    Heat Exchanger

    Part #LB-25922BAC

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

  • Manifold-gas Less Orifices for Lennox 1751 - Part LB-72401C

    Furnace diagram

    Manifold-gas Less Orifices

    Part #LB-72401C

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

  • Spring Filter Securing (2) for Lennox 1751 - Part 26H7301

    Furnace diagram

    Spring Filter Securing (2)

    Part #26H7301

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

  • Harness-wiring Motor (g17q2/q2x-50) for Lennox 1751 - Part LB-73647A

    Furnace diagram

    Harness-wiring Motor (g17q2/q2x-50)

    Part #LB-73647A

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

  • Switch-interlock for Lennox 1751 - Part 28G1301

    Furnace diagram

    Switch-interlock

    Part #28G1301

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

  • Burner-main (g17x) for Lennox 1751 - Part LB-50958CC

    Furnace diagram

    Burner-main (g17x)

    Part #LB-50958CC

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

Symptoms for gas ranges

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

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

Repair guides for gas ranges

How to replace a gas range oven igniter

How to replace a gas range oven igniter

If your gas oven doesn't heat up, the problem could be a faulty oven igniter. These step-by-step instructions guide you …

Repair time and Difficulty

 45 minutes or less
How to replace an oven temperature sensor on a gas range

How to replace an oven temperature sensor on a gas range

See how to replace an oven temperature sensor on a gas range.…

Repair time and Difficulty

 15 minutes or less
How to replace a gas range oven control board

How to replace a gas range oven control board

These step-by-step instructions explain how to replace an oven control board on a gas range…

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.…

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

Parts