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Thermal Zone GD120K20B gas furnace

Thermal Zone GD120K20B gas furnace Parts

Here are the diagrams and repair parts for Thermal Zone GD120K20B gas furnace, as well as links to manuals and error code tables, if available.

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Browse Parts for GD120K20B Gas Furnace

  • Switch for Thermal Zone GD120K20B - Part 626350

    80+ downflow furnace diagram

    Switch

    Part #626350

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

  • Main Burner Ofrifice (43 Drill) (not Shown) for Thermal Zone GD120K20B - Part 661043

    80+ downflow furnace diagram

    Main Burner Ofrifice (43 Drill) (not Shown)

    Part #661043

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

  • Access Door (not Shown) for Thermal Zone GD120K20B - Part 903116Z

    80+ downflow furnace diagram

    Access Door (not Shown)

    Part #903116Z

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

  • Furnace Burner for Thermal Zone GD120K20B - Part 660812

    80+ downflow furnace diagram

    Furnace Burner

    Part #660812

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

  • Auxillary Limit 140/20 (not Shown) for Thermal Zone GD120K20B - Part 626439

    80+ downflow furnace diagram

    Auxillary Limit 140/20 (not Shown)

    Part #626439

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

  • Furnace Blower for Thermal Zone GD120K20B - Part 903111

    80+ downflow furnace diagram

    Furnace Blower

    Part #903111

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

  • Tube, Combustion, Insulated for Thermal Zone GD120K20B - Part 262810

    80+ downflow furnace diagram

    Tube, Combustion, Insulated

    Part #262810

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

  • Gasket, Inducer for Thermal Zone GD120K20B - Part 689079

    80+ downflow furnace diagram

    Gasket, Inducer

    Part #689079

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

  • Furnace Blower Fan Motor, 3/4-hp for Thermal Zone GD120K20B - Part 902346

    80+ downflow furnace diagram

    Furnace Blower Fan Motor, 3/4-hp

    Part #902346

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

  • Hose, High - Temp Silicone (not Shown) for Thermal Zone GD120K20B - Part 257843

    80+ downflow furnace diagram

    Hose, High - Temp Silicone (not Shown)

    Part #257843

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

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