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Thermador
Dishwasher

Model # TD121 Official Thermador dishwasher

Here are the diagrams and repair parts for Official Thermador TD121 dishwasher, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

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Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 191 parts  |
Plate 135323
Plate

Part #135323

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

Fill Clamp 010049

#51

All parts diagram

Fill clamp

Part #010049

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

Switch 135274

#248

All parts diagram

Switch

Part #135274

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

Basket 134730

#12

All parts diagram

Basket

Part #134730

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

Frame Escutcheon 135303

#94

All parts diagram

Frame escutcheon

Part #135303

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

Gasket Pump Housing 133495

#98

All parts diagram

Gasket pump housing

Part #133495

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

Relay 132620

#185

All parts diagram

Relay

Part #132620

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

Rail Upper Tank Left 130845

#184

All parts diagram

Rail upper tank left

Part #130845

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

Knob Timer Control 135279

#132

All parts diagram

Knob timer control

Part #135279

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

O-ring Impeller 130126

#192

All parts diagram

O-ring impeller

Part #130126

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

Most common symptoms to help you fix your dishwashers

Choose a symptom to see related dishwasher repairs.

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Why does my dishwasher door drop open too fast?

Main causes: broken door spring, damaged or broken door hinge…

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Why don't my dishes get dry?

Main causes: not using rinse aid, rinse aid dispenser failure, broken heating element, malfunctioning vent, drying fan f…

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Why won't my dishwasher fill?

Main causes: water supply problem, stuck overfill float, clogged water inlet valve screen, water inlet valve failure…

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Why won't my dishwasher start?

Main causes: light switch beside the sink turned off, lack of power, bad dishwasher door switch, control system failure,…

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Why isn't my dishwasher getting dishes clean?

Main causes: improper loading, low water temperature, improper detergent dosage, detergent dispenser failure, spray arm …

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Why is my dishwasher noisy?

Main causes: glass or popcorn kernel stuck in the chopper blade, drain line vibrating against the cabinet, debris in was…

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Why won't my dishwasher drain?

Main causes: clogged kitchen sink drain, clogged drain hose, drain check valve damaged, drain pump failure, control syst…

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Why can't I adjust the dishwasher rack height?

Main cause: damaged rack height adjuster…

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Why is my dishwasher leaking?

Main causes: damaged or stuck spray arm, leaking door seal, damaged door hinge, leaky heating element water seal, cracke…

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Most common repair guides to help fix your dishwashers

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

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How to replace a dishwasher water inlet valve

How to replace a dishwasher water inlet valve

If your dishwasher fills constantly or won't fill at all, the water inlet valve has failed. You can replace it in about …

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Repair difficulty
Time required
 30 minutes or less
How to replace a dishwasher detergent dispenser

How to replace a dishwasher detergent dispenser

Dishes need dish detergent to get clean. Learn how to replace a dishwasher detergent dispenser with easy step-by-step i…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a dishwasher door outer panel

How to replace a dishwasher door outer panel

If your dishwasher door is dented or you want it to match your cabinets or other appliances, this guide shows how to rep…

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Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your dishwashers

Use the advice and tips in these articles and videos to get the most out of your dishwasher.

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5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

Get tips on completing essential holiday cleaning tasks to brighten your home.…

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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Top questions about Sears and Sears PartsDirect

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