Model # Q2X-50 SERIES Official Lennox furnace

Part #10G5201

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

Part #78H5501

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

Part #18G9001

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

Part #LB-17431CB

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

Part #18G8901

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

Part #97H0401

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

Part #P-8-9490

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

Part #LB-29333BB

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

Part #97H5701

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

Part #45H3001

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