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Goodman
Furnace

Model # GMT070-3B Official Goodman gas furnace

Here are the diagrams and repair parts for Official Goodman GMT070-3B 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

$185.31 | 
5% OFF Phone Price : $195.31
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 Temperature Limit Switch B1370198
#91

Heat exchanger assembly diagram

Furnace temperature limit switch

Part #B1370198

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

Heat exchanger assembly diagram

Furnace secondary heat exchanger

Part #4021309S

$192.79 | 
5% OFF Phone Price : $202.79
In Stock
Arm B1376857
#261

Blower assembly diagram

Arm

Part #B1376857

$8.51 | 
11% OFF Phone Price : $9.51
In Stock
Furnace Gas Valve (replaces 0151m00013s) B1282628
#211

Burner box assembly diagram

Furnace gas valve (replaces 0151m00013s)

Part #B1282628

$114.39 | 
8% OFF Phone Price : $124.39
In Stock
Capacitor B945672
#281

Misc. components/drain kit assembly diagram

Capacitor

Part #B945672

Replaced by #CAP125000370RPP

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Manufacturer substitution
This part replaces B945672. Substitute parts can look different from the original.
This item is not returnable
$31.20 | 
14% OFF Phone Price : $36.20
In Stock
Furnace Air Pressure Switch B1370159
#351D

Misc. components/drain kit assembly diagram

Furnace air pressure switch

Part #B1370159

$57.18
In Stock
Goodman Primary Heat Exchanger 4821401S
#61H

Heat exchanger assembly diagram

Goodman primary heat exchanger

Part #4821401S

$431.87
In Stock

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