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Thermal Zone
Furnace

Model # GD060K12A Official Thermal Zone gas furnace

Here are the diagrams and repair parts for Official Thermal Zone GD060K12A gas furnace, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 29 parts  |
Furnace Electronic Control Board 903106
#27

80+ downflow furnace diagram

Furnace electronic control board

Part #903106

$297.66
In Stock
Blower Wheel 667251
#21

80+ downflow furnace diagram

Blower wheel

Part #667251

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

Orifice 661045
#3

80+ downflow furnace diagram

Orifice

Part #661045

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

Sensor Rod 632316
#6

80+ downflow furnace diagram

Sensor rod

Part #632316

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

Manifold 663550
#4

80+ downflow furnace diagram

Manifold

Part #663550

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

Switch 632212
#19

80+ downflow furnace diagram

Switch

Part #632212

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

Transformer 621486
#26

80+ downflow furnace diagram

Transformer

Part #621486

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

Gas Valve 624586
#2

80+ downflow furnace diagram

Gas valve

Part #624586

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

Blower Motor 902127
#22

80+ downflow furnace diagram

Blower motor

Part #902127

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

Gasket, Collector Pan (not Shown) (replace Gasket Whenever Collector Pan Assembly (item 11) Is Removed) 689531
#12

80+ downflow furnace diagram

Gasket, collector pan (not shown) (replace gasket whenever collector pan assembly (item 11) is removed)

Part #689531

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

Symptoms for gas ranges

Why won't my range's gas burner spark or ignite?

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

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Why isn't my range's gas burner heating properly?

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

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Repair guides for gas ranges

How to replace oven door hinges on a gas range

How to replace oven door hinges on a gas range

See how to replace the oven door hinges on a gas range yourself, in just 30 minutes....

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Repair difficulty
Time required
15 minutes or less
How to replace a range spark igniter switch

How to replace a range spark igniter switch

Follow these steps to replace the spark igniter switch—sometimes called a burner switch or spark switch—on a gas or dual...

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Repair difficulty
Time required
60 minutes or less
How to replace a range spark igniter electrode

How to replace a range spark igniter electrode

Learn how to replace the spark igniter electrode for the surface burners on a gas range or dual-fuel range....

Read more
Repair difficulty
Time required
45 minutes or less

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How to get your furnace ready for winter

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