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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ALL PARTS

Showing 10 of 154 parts |

#131

Burner box assembly diagram

Igniter

Part #B1401015S

Replaced by #B1401018S

$43.19 |

10% OFF Phone Price : $48.19

In Stock

Qty

#111

Heat exchanger assembly diagram

Motor

Part #B4059001

Replaced by #0131M00002PSP

$158.40 |

6% OFF Phone Price : $168.40

In Stock

Qty

Furnace Burner Roll-out Limit Switch B1370145

#151

Burner box assembly diagram

Furnace burner roll-out limit switch

Part #B1370145

$11.69

In Stock

Qty

#191F

Burner box assembly diagram

Manifold

Part #B4026003

$50.96

In Stock

Qty

Furnace Primary Thermal Limit Switch B1370188

#91B

Heat exchanger assembly diagram

Furnace primary thermal limit switch

Part #B1370188

$24.18

In Stock

Qty

#241

Blower assembly diagram

Wheel

Part #B1368047A

Replaced by #D6723306S

$127.22 |

7% OFF Phone Price : $137.22

In Stock

Qty

#111A

Heat exchanger assembly diagram

Vent motor

Part #B4833000

Replaced by #B4833000S

$353.00 |

$10.00 OFF Phone Price : $363.00

In Stock

Qty

#241B

Blower assembly diagram

Wheel blow

Part #B1368016

Replaced by #B1368016S

$107.24

In Stock

Qty

#191G

Burner box assembly diagram

Goodman gas manifold-5 cell

Part #B4026008

$32.02

In Stock

Qty

Furnace Secondary Heat Exchanger (replaces 2864605, 28646-05) 2864605S

#71A

Heat exchanger assembly diagram

Furnace secondary heat exchanger (replaces 2864605, 28646-05)

Part #2864605S

$503.75 |

$10.00 OFF Phone Price : $513.75

In Stock

Qty

Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

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Why doesn't my snowblower auger turn?

Main causes: broken shear pins, worn or loose auger drive belt, auger drive cable failure, damaged auger, bad gear case…

Why won't my snowblower clear snow well?

Main causes: clogged chute, snow build-up in auger housing, broken auger shear pins, auger drive belt needs adjustment, …

Why won't my snowblower start?

Main causes: stale gas, clogged carburetor, clogged or broken fuel line, dirty spark plug, bad rewind starter, incorrect…

What should I do about a damaged snowblower tire?

Main causes: punctured tire, damaged rim…

Why won't my snowblower throw snow far enough?

Main causes: clogged chute, damaged auger blades, broken shear pins, worn auger belt, damaged gear case, engine problems…

How do I tune up my snowblower?

Things to do: replace the spark plug, change the oil, rebuild the carburetor, adjust valve lash, adjust or replace the b…

Why does my snowblower engine run rough?

Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…

Why does my snowblower stop running after a few seconds?

Main causes: dirty carburetor, stale fuel…

Why doesn't my snowblower self propel?

Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground…

Repair guides for gas snowblowers

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

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How to replace snowblower skid shoes

To prevent damage to your snowblower auger, replace the skid shoes when both sides of the shoe are worn. It's an easy re…

Repair difficulty

Time required

15 minutes or less

How to replace a snowblower auger drive cable

A loose or snapped auger drive cable can prevent the auger from rotating. Follow this step-by-step guide to replace the …

Repair difficulty

Time required

15 minutes or less

How to replace a snowblower electric starter

Replace the electric starter on your snowblower if it doesn't work.…

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 snowblower.

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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

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

Top questions about Sears and Sears PartsDirect

Model # GMT070-3B Official Goodman gas furnace

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Symptoms for gas snowblowers

Why doesn't my snowblower auger turn?

Why won't my snowblower clear snow well?

Why won't my snowblower start?

What should I do about a damaged snowblower tire?

Why won't my snowblower throw snow far enough?

How do I tune up my snowblower?

Why does my snowblower engine run rough?

Why does my snowblower stop running after a few seconds?

Why doesn't my snowblower self propel?

Repair guides for gas snowblowers

How to replace snowblower skid shoes

How to replace a snowblower auger drive cable

How to replace a snowblower electric starter

Effective articles & videos to help repair your furnaces

How to get your furnace ready for winter

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

Top questions about Sears and Sears PartsDirect

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