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Thermador
Dishwasher

Model # THD122 Official Thermador dishwasher

Here are the diagrams and repair parts for Official Thermador THD122 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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For DIY troubleshooting advice and repair guides, visit our repair help section.

Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 201 parts  |
Ring 01-30-126
#104

Motor diagram

Ring

Part #01-30-126

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

Relay 01-35-946
Relay

Part #01-35-946

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

Straight Vane 01-33-452
#161

Motor diagram

Straight vane

Part #01-33-452

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

Basket 01-34-730
#12

Control panels/baskets diagram

Basket

Part #01-34-730

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

Fill Valve 01-35-248
Fill valve

Part #01-35-248

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

Lo Roll Asm 01-34-304
#198

Control panels/baskets diagram

Lo roll asm

Part #01-34-304

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

Detergent Cup 01-35-974
Detergent cup

Part #01-35-974

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

Clip 01-33-212
#31

Motor diagram

Clip

Part #01-33-212

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

Seal 01-35-899
Seal

Part #01-35-899

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

Inlet Hose 01-34-878
Inlet hose

Part #01-34-878

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 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 drain?

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

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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 can't I adjust the dishwasher rack height?

Main cause: damaged rack height adjuster…

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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 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 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 does my dishwasher stop mid-cycle?

Main causes: broken door latch, tripped circuit breaker, broken heating element, faulty vent fan, sensor failure, contro…

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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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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 heating element

How to replace a dishwasher heating element

Dishes not drying as fast as they should? The dishwasher heating element could be on the fritz. Here's how to install a …

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Repair difficulty
Time required
 45 minutes or less
How to replace a dishwasher high-limit thermostat

How to replace a dishwasher high-limit thermostat

Follow these steps to replace the high-limit thermostat in your dishwasher if prevents the heating element from heating.…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a dishwasher diverter motor

How to replace a dishwasher diverter motor

Upper spray arms not getting water? The diverter motor could be broken. Use this guide to replace it.…

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Repair difficulty
Time required
 30 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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How to clean and maintain your dishwasher

How to clean and maintain your dishwasher

Get tips for cleaning and maintaining 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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Top questions about Sears and Sears PartsDirect

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