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Goodman
Furnace

Model # GMT070-4B Official Goodman gas furnace

Here are the diagrams and repair parts for Official Goodman GMT070-4B gas furnace, as well as links to manuals and error code tables, if available.

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Installation guide

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
Wheel B1368047A
#241

Blower assembly diagram

Wheel

Part #B1368047A

Replaced by #D6723306S

?
Manufacturer substitution
This part replaces B1368047A. Substitute parts can look different from the original.
$119.58 | 
9% OFF Phone Price : $131.58
In Stock
Flame Sensor B1172606
#141

Burner box assembly diagram

Flame sensor

Part #B1172606

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

Furnace Auxiliary Limit Control (replaces B13701-11) B13701-55
#401

Blower assembly diagram

Furnace auxiliary limit control (replaces b13701-11)

Part #B13701-55

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

Furnace Temperature Limit Switch B1370198
#91

Heat exchanger assembly diagram

Furnace temperature limit switch

Part #B1370198

$27.29
In Stock
Furnace Secondary Heat Exchanger 4021309S
#61C

Heat exchanger assembly diagram

Furnace secondary heat exchanger

Part #4021309S

$192.79 | 
6% OFF Phone Price : $204.79
In Stock
Furnace Burner B4022700
#181

Burner box assembly diagram

Furnace burner

Part #B4022700

$21.16 | 
22% OFF Phone Price : $27.16
In Stock
Furnace Gas Valve (replaces 0151m00013s) B1282628
#211

Burner box assembly diagram

Furnace gas valve (replaces 0151m00013s)

Part #B1282628

$114.39 | 
9% OFF Phone Price : $126.39
In Stock
Orifice B4089343
#201

Burner box assembly diagram

Orifice

Part #B4089343

Replaced by #0163F00018

?
Manufacturer substitution
This part replaces B4089343. Substitute parts can look different from the original.
This item is not returnable
$4.29
In Stock
Shell 2539305
#221A

Blower assembly diagram

Shell

Part #2539305

Replaced by #2539305S

?
Manufacturer substitution
This part replaces 2539305. Substitute parts can look different from the original.
$86.06 | 
7% OFF Phone Price : $92.06
In Stock

Symptoms for gas ranges

Why isn't my range's gas burner heating properly?

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…

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Why won't my range's gas burner spark or ignite?

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…

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Repair guides for gas ranges

How to replace oven door hinges on a gas range

How to replace oven door hinges on a gas range

See how to replace the oven door hinges on a gas range yourself, in just 30 minutes.…

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Repair difficulty
Time required
 15 minutes or less
How to replace a range spark igniter switch

How to replace a range spark igniter switch

Follow these steps to replace the spark igniter switch—sometimes called a burner switch or spark switch—on a gas or dual…

Read more
Repair difficulty
Time required
 60 minutes or less
How to replace a gas range oven control board

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…

Read more
Repair difficulty
Time required
 15 minutes or less

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How to get your furnace ready for winter

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

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