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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Showing 10 of 29 parts  |

Furnace Electronic Control Board 903106
#27

80+ downflow furnace diagram

Furnace electronic control board

Part #903106

In Stock
Nordyne Limit Switch 626419
#20

80+ downflow furnace diagram

Nordyne limit switch

Part #626419

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

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

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

Collector Pan Assembly 384882
#11

80+ downflow furnace diagram

Collector pan assembly

Part #384882

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

Turbular (not Shown) 487750
#10

80+ downflow furnace diagram

Turbular (not shown)

Part #487750

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

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