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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.

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

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Model diagram and schematic

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ALL PARTS
Showing 10 of 79 parts  |
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.
$8.77
In Stock
Capacitor Strap SRP00242
#9

Blower assembly diagram

Capacitor strap

Part #SRP00242

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

Connector: 4 Pin Male CON00383

#NI03

All parts diagram

Connector: 4 pin male

Part #CON00383

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

Spring: Door Retainer Included In Cover Assembly (2) SPG00309
#7

General assembly diagram

Spring: door retainer included in cover assembly (2)

Part #SPG00309

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

Pressure Switch SWT01741
#32

General assembly diagram

Pressure switch

Part #SWT01741

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

Gasket: Limit Switch GKT03080
#29

General assembly diagram

Gasket: limit switch

Part #GKT03080

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

Cover; Burner COV01783
#1

Burner assembly diagram

Cover; burner

Part #COV01783

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

Panel: Bottom PNN03251
#12

General assembly diagram

Panel: bottom

Part #PNN03251

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

Panel: Blower Deck PNE02463
#4

General assembly diagram

Panel: blower deck

Part #PNE02463

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.

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Why is my gas grill not hot enough?

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

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Why don't the burners on my gas grill get gas?

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

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Do I have to replace a broken wheel on a gas grill?

Main cause: worn wheel…

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What should I do about grease flare-ups in my gas grill?

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

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Why won't some burners light on my gas grill?

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

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Repair guides for gas grills

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

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How to replace a gas grill wheel

How to replace a gas grill wheel

Replace a broken or damaged wheel in less than 15 minutes.…

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Time required
 15 minutes or less
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.…

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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. …

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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.

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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.…

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

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