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Thermal Zone AH42B-1 air handler Parts
Here are the diagrams and repair parts for Thermal Zone AH42B-1 air handler, as well as links to manuals and error code tables, if available.
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Browse Parts for AH42B-1 Air Handler
Air handlers diagram
Close Off Plate (2)
Part #226420
The manufacturer no longer makes this part, and there's no substitute part
Air handlers diagram
Drain Pan Only , "a" Coils, B-cab
Part #668717
The manufacturer no longer makes this part, and there's no substitute part
Air handlers diagram
Lower Door With Insulation
Part #499871Z
The manufacturer no longer makes this part, and there's no substitute part
Air handlers diagram
Cap, Top With Insulation
Part #372101Z
The manufacturer no longer makes this part, and there's no substitute part
Air handlers diagram
Electrical Panel Assembly
Part #470720
The manufacturer no longer makes this part, and there's no substitute part
Symptoms for gas ranges
Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…
Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…
Repair guides for gas ranges
How to replace an oven temperature sensor on a gas range
See how to replace an oven temperature sensor on a gas range.…
Repair time and Difficulty
15 minutes or less
How to replace a range spark igniter electrode
Learn how to replace the spark igniter electrode for the surface burners on a gas range or dual-fuel range.…
Repair time and Difficulty
45 minutes or less
How to replace a gas range oven control board
These step-by-step instructions explain how to replace an oven control board on a gas range…
Repair time and Difficulty
15 minutes or less
Effective articles & videos to help repair your air handlers
Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…
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