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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
80+ downflow furnace diagram
Gasket, Inducer
Part #689079
The manufacturer no longer makes this part, and there's no substitute part
80+ downflow furnace diagram
Gasket, Collector Pan (not Shown)
Part #689072
The manufacturer no longer makes this part, and there's no substitute part
80+ downflow furnace diagram
Motor Mount Arm (not Shown)
Part #668927
The manufacturer no longer makes this part, and there's no substitute part
80+ downflow furnace diagram
Tube, Combustion, Insulated
Part #262810
The manufacturer no longer makes this part, and there's no substitute part
80+ downflow furnace diagram
Auxiliary Limit 130/20 (not Shown)
Part #626463
The manufacturer no longer makes this part, and there's no substitute part
80+ downflow furnace diagram
Furnace Blower
Part #903111
The manufacturer no longer makes this part, and there's no substitute part
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
80+ downflow furnace diagram
Furnace Burner
Part #660812
The manufacturer no longer makes this part, and there's no substitute part
80+ downflow furnace diagram
Complete Burner Assembly
Part #D03954
The manufacturer no longer makes this part, and there's no substitute part
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
Symptoms for top-mount refrigerators
Main causes: frozen or clogged defrost drain tube, cracked water system tubing…
Repair guides for top-mount refrigerators
How to replace the light switch in a top-freezer refrigerator
The light switch turns the refrigerator light on and off and monitors door position. Replace the light switch if it does…
Repair time and Difficulty
15 minutes or less
How to replace the water inlet valve in a top-freezer refrigerator
The water inlet valve controls water flow to the ice maker. Replace the water valve if it doesn't open or shut properly.…
Repair time and Difficulty
15 minutes or less
How to replace the compressor run capacitor in a top-freezer refrigerator
The run capacitor sends electric current to the compressor motor to help the motor run efficiently. Replace the run capa…
Repair time and Difficulty
15 minutes or less
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