Thermal Zone
Furnace

Model # GU060M12A Official Thermal Zone gas furnace

Here are the diagrams and repair parts for Official Thermal Zone GU060M12A gas furnace, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

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

Search
ALL PARTS
Showing 10 of 27 parts  |

Orifice 661045
#16

90+ upflow condensing furnace diagram

Orifice

Part #661045

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

Blower Wheel 667251
#6

90+ upflow condensing furnace diagram

Blower wheel

Part #667251

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

Central Air Conditioner Air Handler Drain Pan Connector 663714
#23

90+ upflow condensing furnace diagram

Central air conditioner air handler drain pan connector

Part #663714

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

Furnace Vent Limit Switch, 160-degree 626461
#27

90+ upflow condensing furnace diagram

Furnace vent limit switch, 160-degree

Part #626461

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

Furnace Electronic Control Board 903106
#11

90+ upflow condensing furnace diagram

Furnace electronic control board

Part #903106

In Stock
Transformer 621486
#3

90+ upflow condensing furnace diagram

Transformer

Part #621486

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

Pressure Swt 632252
#18

90+ upflow condensing furnace diagram

Pressure swt

Part #632252

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

Sensor Rod 632316
#15

90+ upflow condensing furnace diagram

Sensor rod

Part #632316

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

Gas Valve 624586
#13

90+ upflow condensing furnace diagram

Gas valve

Part #624586

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

Burner Box Assembly D03700
#12

90+ upflow condensing furnace diagram

Burner box assembly

Part #D03700

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

Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

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

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

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

Main causes: punctured tire, damaged rim…

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

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

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

Main causes: dirty carburetor, stale fuel…

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.

How to replace snowblower skid shoes

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

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

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.

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.…