Lennox
Furnace

Model # Q2X-50 SERIES Official Lennox furnace

Here are the diagrams and repair parts for Official Lennox Q2X-50-SERIES 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 63 parts  |

Burner LB-17431CB
#13

Furnace diagram

Burner

Part #LB-17431CB

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

Limit Control 10G5201
#17

Furnace diagram

Limit control

Part #10G5201

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

Pilot Burner 18G9001
#37B

Furnace diagram

Pilot burner

Part #18G9001

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

Transformer 78H5501
#39A

Furnace diagram

Transformer

Part #78H5501

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

Transformer P-8-9490
#39

Furnace diagram

Transformer

Part #P-8-9490

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

Motor 45H3001
#52A

Furnace diagram

Motor

Part #45H3001

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

Control 97H0401
#37A

Furnace diagram

Control

Part #97H0401

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

Ignition Module 18G9101
#37

Furnace diagram

Ignition module

Part #18G9101

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

Flame Sensor 18G8901
#37C

Furnace diagram

Flame sensor

Part #18G8901

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

Blower Fan Wheel LB-29333BB
#51

Furnace diagram

Blower fan wheel

Part #LB-29333BB

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

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Repair guides for top-mount refrigerators

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How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Repair difficulty
Time required
 15 minutes or less
How to replace the evaporator fan motor in a top-freezer refrigerator

How to replace the evaporator fan motor in a top-freezer refrigerator

The evaporator fan motor blows air across the evaporator coils and through the refrigerator cabinet for cooling. Replace…

Repair difficulty
Time required
 15 minutes or less
How to replace the compressor start relay in a top-freezer refrigerator

How to replace the compressor start relay in a top-freezer refrigerator

The compressor start relay starts the compressor and shuts it off if the motor overheats. Replace the start relay if it'…

Repair difficulty
Time required
 15 minutes or less

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