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Thermal Zone GD040M12A gas furnace

Thermal Zone GD040M12A gas furnace Parts

Here are the diagrams and repair parts for Thermal Zone GD040M12A gas furnace, as well as links to manuals and error code tables, if available.

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Browse Parts for GD040M12A Gas Furnace

  • Furnace Vent Limit Switch, 160-degree for Thermal Zone GD040M12A - Part 626461

    90+ downflow furnace diagram

    Furnace Vent Limit Switch, 160-degree

    Part #626461

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

  • Kenmore Furnace Electronic Control Board for Thermal Zone GD040M12A - Part 903106

    90+ downflow furnace diagram

    Kenmore Furnace Electronic Control Board

    Part #903106

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

  • Central Air Conditioner Air Handler Drain Pan Connector for Thermal Zone GD040M12A - Part 663714

    90+ downflow furnace diagram

    Central Air Conditioner Air Handler Drain Pan Connector

    Part #663714

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

  • Orifice for Thermal Zone GD040M12A - Part 661045

    90+ downflow furnace diagram

    Orifice

    Part #661045

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

  • Blower Wheel for Thermal Zone GD040M12A - Part 667251

    90+ downflow furnace diagram

    Blower Wheel

    Part #667251

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

  • Sensor Rod for Thermal Zone GD040M12A - Part 632316

    90+ downflow furnace diagram

    Sensor Rod

    Part #632316

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

  • Gas Valve for Thermal Zone GD040M12A - Part 624586

    90+ downflow furnace diagram

    Gas Valve

    Part #624586

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

  • Transformer for Thermal Zone GD040M12A - Part 621486

    90+ downflow furnace diagram

    Transformer

    Part #621486

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

  • Limit Sw for Thermal Zone GD040M12A - Part 626418

    90+ downflow furnace diagram

    Limit Sw

    Part #626418

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

  • Furnace Burner for Thermal Zone GD040M12A - Part 660812

    90+ downflow furnace diagram

    Furnace Burner

    Part #660812

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

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

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.…

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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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