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Thermal Zone
Furnace

Model # GD072K12A Official Thermal Zone gas furnace

Here are the diagrams and repair parts for Official Thermal Zone GD072K12A 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  |
Limit Switch 626419
#20

80+ downflow furnace diagram

Limit switch

Part #626419

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

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

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

Transformer 621486
#26

80+ downflow furnace diagram

Transformer

Part #621486

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

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

Switch 632205
#28

80+ downflow furnace diagram

Switch

Part #632205

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

Heat Exchanger Assembly (not Shown) D06510
#9

80+ downflow furnace diagram

Heat exchanger assembly (not shown)

Part #D06510

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

Gas Manifold Tube Assembly (3 Tube) 663550
#4

80+ downflow furnace diagram

Gas manifold tube assembly (3 tube)

Part #663550

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

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