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Goodman A42-20 air handler with coil Parts
Here are the diagrams and repair parts for Goodman A42-20 air handler with coil, as well as links to manuals and error code tables, if available.
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Browse Parts for A42-20 Air Handler with Coil
Air handler diagram
Capacitor 7.
Part #B9456-51Replaced by #12907
Manufacturer substitutionThis part replaces B9456-51. Substitute parts can look different from the original.This item is not returnableIn Stock$4.7617% OFF Phone Price : $5.76
Qty
Air handler diagram
Sequencer A-
In Stock$66.60QtyAir handler diagram
Furnace Heat Sequencer
In Stock$105.44QtyAir handler diagram
Time Delay
Part #B13707-38
The manufacturer no longer makes this part, and there's no substitute part
Air handler diagram
Motor 1/3 Hp
In Stock$397.73QtyAir handler diagram
Heating Elem
Part #B10374-67Replaced by #B1037485S
Manufacturer substitutionThis part replaces B10374-67. Substitute parts can look different from the original.In Stock$100.4511% OFF Phone Price : $112.45QtyAir handler diagram
Plastic Pan
Part #17559-17NReplaced by #B1755917HDF
Manufacturer substitutionThis part replaces 17559-17N. Substitute parts can look different from the original.In Stock$74.357% OFF Phone Price : $80.35QtyAir handler diagram
Blower Wheel
Part #B13680-36Replaced by #B1368036S
Manufacturer substitutionThis part replaces B13680-36. Substitute parts can look different from the original.In Stock$82.1737% OFF Was : $129.66QtyAir handler diagram
Heating Elem
Part #B10374-68Replaced by #B1037488S
Manufacturer substitutionThis part replaces B10374-68. Substitute parts can look different from the original.In Stock$194.616% OFF Phone Price : $206.61QtyAir handler diagram
Heating Elem
Part #B10374-70Replaced by #B1037489S
Manufacturer substitutionThis part replaces B10374-70. Substitute parts can look different from the original.In Stock$211.455% OFF Phone Price : $223.45Qty
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 a gas range oven igniter
If your gas oven doesn't heat up, the problem could be a faulty oven igniter. These step-by-step instructions guide you …
Repair time and Difficulty
45 minutes or less
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 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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