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Thermal Zone
Furnace

Model # GM120K16B Official Thermal Zone gas furnace

Here are the diagrams and repair parts for Official Thermal Zone GM120K16B 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 32 parts  |
Capacitor 621435
#22

80+ upflow furnace diagram

Capacitor

Part #621435

Replaced by #12908

?
Manufacturer substitution
This part replaces 621435. Substitute parts can look different from the original.
This item is not returnable
$5.26 | 
16% OFF Phone Price : $6.26
In Stock
Furnace Electronic Control Board 903106
#25

80+ upflow furnace diagram

Furnace electronic control board

Part #903106

$297.66
In Stock
Switch 626464
#29

80+ upflow furnace diagram

Switch

Part #626464

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

Furnace Control Module Assembly 903108
#25A

80+ upflow furnace diagram

Furnace control module assembly

Part #903108

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

Furnace Blower Assembly 902815
#23

80+ upflow furnace diagram

Furnace blower assembly

Part #902815

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

Gas Valve 624586
#2

80+ upflow furnace diagram

Gas valve

Part #624586

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

Furnace Temperature Limit Switch 626425
#18

80+ upflow furnace diagram

Furnace temperature limit switch

Part #626425

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

Transformer 621486
#24

80+ upflow furnace diagram

Transformer

Part #621486

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

Sensor Rod 632316
#6

80+ upflow furnace diagram

Sensor rod

Part #632316

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

Motor 902128
#21

80+ upflow furnace diagram

Motor

Part #902128

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

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