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Thermador
Upright Freezer

Model # T18ID80NRP/20 Official Thermador freezer

Here are the diagrams and repair parts for Official Thermador T18ID80NRP-20 freezer, 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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For DIY troubleshooting advice and repair guides, visit our repair help section.

Installation guide
Owner’s manual
Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 189 parts  |
Refrigerator Water Filter 641425
#411

Compressor diagram

Refrigerator water filter

Part #641425

Replaced by #11034151

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Manufacturer substitution
This part replaces 641425. Substitute parts can look different from the original.

Get free shipping with Automatic Reorder

$89.19 | 
6% OFF Phone Price : $95.19
In Stock
Defrost Sensor 604025
#130

Cabinet parts diagram

Defrost sensor

Part #604025

Replaced by #00617203

?
Manufacturer substitution
This part replaces 604025. Substitute parts can look different from the original.
This item is not returnable
$23.59 | 
20% OFF Phone Price : $29.59
In Stock
Cover 499853
#413

Compressor diagram

Cover

Part #499853

Replaced by #00499853

?
Manufacturer substitution
This part replaces 499853. Substitute parts can look different from the original.
$50.89 | 
11% OFF Phone Price : $56.89
In Stock
Operating 667838
#104

Cabinet parts diagram

Operating

Part #667838

Replaced by #11041652

?
Manufacturer substitution
This part replaces 667838. Substitute parts can look different from the original.
$239.70 | 
5% OFF Phone Price : $251.70
In Stock
Freezer Water Filter Cap 604684
#429

Compressor diagram

Freezer water filter cap

Part #604684

Replaced by #00604684

?
Manufacturer substitution
This part replaces 604684. Substitute parts can look different from the original.
$11.49 | 
15% OFF Phone Price : $13.49
In Stock
Freezer Water Valve 603967
#423

Compressor diagram

Freezer water valve

Part #603967

Replaced by #00639065

?
Manufacturer substitution
This part replaces 603967. Substitute parts can look different from the original.
$39.19 | 
13% OFF Phone Price : $45.19
In Stock
Rail 660867
#302

Shelfs diagram

Rail

Part #660867

Replaced by #00660867

?
Manufacturer substitution
This part replaces 660867. Substitute parts can look different from the original.
$85.16
In Stock
Base Panel 244552
#444

Compressor diagram

Base panel

Part #244552

Replaced by #00676694

?
Manufacturer substitution
This part replaces 244552. Substitute parts can look different from the original.
$91.78
In Stock
Relay 609254
#451

Compressor diagram

Relay

Part #609254

Replaced by #00654622

?
Manufacturer substitution
This part replaces 609254. Substitute parts can look different from the original.
$185.05
In Stock
Holder 604674
#438

Compressor diagram

Holder

Part #604674

Replaced by #00604674

?
Manufacturer substitution
This part replaces 604674. Substitute parts can look different from the original.
$7.94
In Stock

Most common symptoms to help you fix your freestanding freezers

Choose a symptom to see related freezer repairs.

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What should I do when my freezer's high-temperature alarm sounds?

Main causes: lack of power, bad compressor, refrigerant leak, bad thermistor, defrost system failure, dirty condenser co…

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Why don't the lights in my freezer work?

Main causes: burned out light bulb, bad door or lid switch, faulty LED light board, wiring failure, control system failu…

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Why isn't my freezer cooling?

Main causes: compressor failure, no refrigerant, faulty sensor, control failure, broken defrost heater, bad defrost bi-m…

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Why does my freezer have a lot of frost inside?

Main causes: damaged door or lid gasket, cracked cabinet liner, bad defrost bi-metal thermostat, broken defrost heater, …

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Why is my freezer hot on the outside?

Main causes: dirty condenser coils, condenser fan failure, dirty bottom front grill, leaky door or lid gasket…

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Why is my freezer too warm?

Main causes: excessive frost, bad defrost heater, bad defrost bi-metal, control system failure, low refrigerant charge, …

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Why isn't my freezer running?

Main causes: lack of power, control system failure, broken compressor start relay, locked up compressor, compressor moto…

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Why is my freezer so noisy?

Main causes: leaky door or lid gasket, broken defrost heater, bad defrost bi-metal thermostat, defrost control failure, …

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Repair guides for upright freezers

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How to replace a freezer door switch

How to replace a freezer door switch

When the door switch fails, the freezer can’t detect that the door is closed. Follow the steps in this repair guide to r…

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Repair difficulty
Time required
 15 minutes or less
How to replace a freezer thermistor

How to replace a freezer thermistor

When the thermistor can’t sense the freezer temperature, the freezer is colder or warmer than the set temperature. Follo…

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Repair difficulty
Time required
 45 minutes or less
How to replace a freezer evaporator fan

How to replace a freezer evaporator fan

Air won’t circulate to cool the freezer properly when the evaporator fan fails. Follow these step-by-step instructions t…

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Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your freestanding freezers

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Top questions about Sears and Sears PartsDirect

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How to repair broken or damaged wires video

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Freezer common questions

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