Goodman
Furnace

Model # GMTH090-5B Official Goodman gas furnace

Here are the diagrams and repair parts for Official Goodman GMTH090-5B gas 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 154 parts  |

Furnace Hot-surface Ignition Control Board (replaces 18099-13s, B18099-13s) B1809913S
#291

Misc. components/drain kit assembly diagram

Furnace hot-surface ignition control board (replaces 18099-13s, b18099-13s)

Part #B1809913S

This item is not returnable
$185.31
6% OFF Phone Price : $197.31
In Stock
Motor B4059001
#111

Heat exchanger assembly diagram

Motor

Part #B4059001

Replaced by #0131M00002PSP

?
Manufacturer substitution
This part replaces B4059001. Substitute parts can look different from the original.
$158.40
7% OFF Phone Price : $170.40
In Stock
Furnace Air Pressure Switch B1370159
#351D

Misc. components/drain kit assembly diagram

Furnace air pressure switch

Part #B1370159

In Stock
Furnace Burner Roll-out Limit Switch B1370145
#151

Burner box assembly diagram

Furnace burner roll-out limit switch

Part #B1370145

In Stock
Manifold B4026003
#191F

Burner box assembly diagram

Manifold

Part #B4026003

$48.92
11% OFF Phone Price : $54.92
Back Order
Wheel Blow B1368016
#241B

Blower assembly diagram

Wheel blow

Part #B1368016

Replaced by #B1368016S

?
Manufacturer substitution
This part replaces B1368016. Substitute parts can look different from the original.
In Stock
Goodman Tube Ht. Exch. Asm. 2cl 14i 4021300S
#61

Heat exchanger assembly diagram

Goodman tube ht. exch. asm. 2cl 14i

Part #4021300S

In Stock
Goodman 3 Cell Heat Exchanger 4021307S
#61A

Heat exchanger assembly diagram

Goodman 3 cell heat exchanger

Part #4021307S

In Stock
Goodman Gas Manifold-6 Cell B4026009
#191I

Burner box assembly diagram

Goodman gas manifold-6 cell

Part #B4026009

In Stock
Furnace Flue Collector Box, 21-in 4810006S
#101H

Heat exchanger assembly diagram

Furnace flue collector box, 21-in

Part #4810006S

In Stock

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Repair guides for gas line trimmers

These step-by-step repair guides will help you safely fix what’s broken on your grass line trimmer.

How to rebuild a line trimmer carburetor

How to rebuild a line trimmer carburetor

If the line trimmer engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow…

Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer carburetor

How to replace a line trimmer carburetor

If the line trimmer won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these …

Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer fuel line

How to replace a line trimmer fuel line

The fuel line on a grass line trimmer deteriorates with time and eventually can split or crack. You can replace it yours…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your furnaces

Use the advice and tips in these articles and videos to get the most out of your grass line trimmer.

How to get your furnace ready for winter

How to get your furnace ready for winter

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Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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