Trane
Furnace

Model # TUD100C945H1 Official Trane gas furnace

Here are the diagrams and repair parts for Official Trane TUD100C945H1 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 79 parts  |

Transformer TRR00783
#24

General assembly diagram

Transformer

Part #TRR00783

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

Bracket BRK00690
#6

Blower assembly diagram

Bracket

Part #BRK00690

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

Bracket BRK00691
#7

Blower assembly diagram

Bracket

Part #BRK00691

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

Capacitor CPT00088
#10

Blower assembly diagram

Capacitor

Part #CPT00088

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

Igniter IGN00054
#6

Burner assembly diagram

Igniter

Part #IGN00054

Replaced by #41-408

?
Manufacturer substitution
This part replaces IGN00054. Substitute parts can look different from the original.
$49.99
11% OFF Phone Price : $55.99
In Stock
Support SUP00737
#8

Blower assembly diagram

Support

Part #SUP00737

Replaced by #SUP3399

?
Manufacturer substitution
This part replaces SUP00737. Substitute parts can look different from the original.
In Stock
Pressure Switch SWT01741
#32

General assembly diagram

Pressure switch

Part #SWT01741

Replaced by #SWT02357

?
Manufacturer substitution
This part replaces SWT01741. Substitute parts can look different from the original.
$120.41
9% OFF Phone Price : $132.41
In Stock
Burner BNR00694
#10

Burner assembly diagram

Burner

Part #BNR00694

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

Bushing BUS00300
#21

General assembly diagram

Bushing

Part #BUS00300

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

Nut: 6-32 NUT00496

#NI05

All parts diagram

Nut: 6-32

Part #NUT00496

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

Symptoms for gas grills

Choose a symptom to see related gas grill repairs.

Main causes: nearly empty fuel tank, faulty pressure regulator, burner tube clogs, bad burner tube alignment to gas valv…

Main causes: clogged burner tubes, cracked insulators on igniter electrodes, wiring failures, bad ignition module, manif…

Main causes: damaged or dirty flame tamers, corroded firebox, accumulated grease and debris in the grease pan…

Main causes: empty fuel tank, tripped flow-limiting device on the pressure regulator, faulty manifold valves, burner tub…

Repair guides for gas grills

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

How to replace a gas grill igniter electrode

How to replace a gas grill igniter electrode

Replace the igniter electrode on your gas grill if it won’t light the burner.…

Repair difficulty
Time required
 15 minutes or less
How to replace a gas grill ignition module

How to replace a gas grill ignition module

Follow these steps to replace the ignition module if it doesn't produce a spark. …

Repair difficulty
Time required
 15 minutes or less
How to replace a gas grill burner

How to replace a gas grill burner

Replace a damaged burner on your gas grill in less than 15 minutes and with just pliers and a screwdriver for tools.…

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 gas grill.

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.…