Furnace

Model # GMP125-5 Official Goodman gas furnace

Here are the diagrams and repair parts for Official Goodman GMP125-5 gas furnace, as well as links to manuals and error code tables, if available.

By Schematic
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for
GMP125-5 Gas Furnace
Transformer B11416-00

#46

All parts diagram

Transformer

Part #B11416-00

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

Board 18099-13S

#47

All parts diagram

Board

Part #18099-13S

Replaced by #B1809913S

?
Manufacturer substitution
This part replaces 18099-13S. Substitute parts can look different from the original.
This item is not returnable
$207.23
5% OFF Phone Price : $219.23
In Stock
Furnace Burner Roll-out Limit Switch (replaces B13701-45, B1370154) B13701-54

#21

All parts diagram

Furnace burner roll-out limit switch (replaces b13701-45, b1370154)

Part #B13701-54

$18.99
10% OFF Phone Price : $20.99
In Stock
Flame Sensor B11726-06

#19

All parts diagram

Flame sensor

Part #B11726-06

$51.47
10% OFF Phone Price : $57.47
In Stock
Vent Blr Asy 18590-05S

#13

All parts diagram

Vent blr asy

Part #18590-05S

Replaced by #B18590-05S

?
Manufacturer substitution
This part replaces 18590-05S. Substitute parts can look different from the original.
$267.27
$12.00 OFF Phone Price : $279.27
In Stock
Gas Valve Hs B12826-14

#25

All parts diagram

Gas valve hs

Part #B12826-14

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

Chimney (gmp B25235-00

#41

All parts diagram

Chimney (gmp

Part #B25235-00

Replaced by #4053501S

?
Manufacturer substitution
This part replaces B25235-00. Substitute parts can look different from the original.
In Stock
Burner Side 25140-00

#26

All parts diagram

Burner side

Part #25140-00

Replaced by #0121F00146

?
Manufacturer substitution
This part replaces 25140-00. Substitute parts can look different from the original.
This item is not returnable
In Stock
Blower Wheel B13680-00

#36

All parts diagram

Blower wheel

Part #B13680-00

Replaced by #D6723311S

?
Manufacturer substitution
This part replaces B13680-00. Substitute parts can look different from the original.
In Stock
5 Cl, Burner 25135-03

#28

All parts diagram

5 cl, burner

Part #25135-03

Replaced by #0121F00159

?
Manufacturer substitution
This part replaces 25135-03. Substitute parts can look different from the original.
In Stock

Repair guides for electric wall ovens

How to replace a wall oven broil element

How to replace a wall oven broil element

Follow these step-by-step instructions to replace the broiler element in an electric oven.…

Repair difficulty
Time required
 15 minutes or less
How to replace a temperature sensor on an electric wall oven

How to replace a temperature sensor on an electric wall oven

These step-by-step instructions guide you through replacing a temperature sensing probe on an electric wall oven.…

Repair difficulty
Time required
 15 minutes or less
How to replace a wall oven hidden bake element

How to replace a wall oven hidden bake element

These step-by-step instructions guide you through replacing the hidden bake element.…

Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your furnaces

How to get your furnace ready for winter

How to get your furnace ready for winter

Get expert tips for preparing your furnace for winter. Follow maintenance tips to keep your furnace in top shape.…

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

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

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…