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Thermador
Range

Model # PRD304EHC/03 Official Thermador gas range

Here are the diagrams and repair parts for Official Thermador PRD304EHC-03 gas range, 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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Showing 10 of 100 parts  |
Nut 188978
#309

Burner assy diagram

Nut

Part #188978

Replaced by #00188978

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Manufacturer substitution
This part replaces 188978. Substitute parts can look different from the original.
$20.59 | 
23% OFF Phone Price : $26.59
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Door Switch 489370
#705

Inside parts diagram

Door switch

Part #489370

Replaced by #00489370

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Manufacturer substitution
This part replaces 489370. Substitute parts can look different from the original.
$49.89
In Stock
Igniter Plug 603777
#303

Burner assy diagram

Igniter plug

Part #603777

Replaced by #00603777

?
Manufacturer substitution
This part replaces 603777. Substitute parts can look different from the original.
$27.36
In Stock
Spacer 421241
#308

Burner assy diagram

Spacer

Part #421241

Replaced by #00421241

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Manufacturer substitution
This part replaces 421241. Substitute parts can look different from the original.
$136.69 | 
8% OFF Phone Price : $148.69
In Stock
Panel Trim 369945
#307

Burner assy diagram

Panel trim

Part #369945

Replaced by #00369945

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Manufacturer substitution
This part replaces 369945. Substitute parts can look different from the original.
$57.89
In Stock
Heater Element 144297
#614

Oven diagram

Heater element

Part #144297

Replaced by #00144297

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Manufacturer substitution
This part replaces 144297. Substitute parts can look different from the original.
$203.29 | 
6% OFF Phone Price : $215.29
In Stock
Resistor 418329
#204

Control panel diagram

Resistor

Part #418329

Replaced by #00624610

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Manufacturer substitution
This part replaces 418329. Substitute parts can look different from the original.
$104.68
In Stock
Terminal 436364
#702

Inside parts diagram

Terminal

Part #436364

Replaced by #00436364

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Manufacturer substitution
This part replaces 436364. Substitute parts can look different from the original.
$32.67
In Stock
Housing 494134
#304

Burner assy diagram

Housing

Part #494134

Replaced by #00494134

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Manufacturer substitution
This part replaces 494134. Substitute parts can look different from the original.
$91.19 | 
6% OFF Phone Price : $97.19
In Stock
Plate 445507
#105

Cabinet parts diagram

Plate

Part #445507

Replaced by #00445507

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Manufacturer substitution
This part replaces 445507. Substitute parts can look different from the original.
$165.80
In Stock

Most common symptoms to help you fix your ranges

Choose a symptom to see related range repairs.

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Why is my range's oven temperature wrong?

Main causes: faulty temperature sensor, electronic control board problem, control thermostat failure, weak burner ignite…

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Why won't my range's oven heat?

Main causes: power supply problem, control thermostat or electronic control board failure, broken element, bad burner ig…

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How do I get rid of streaks on my range's oven window?

Main causes: food splatters, spilling food on the oven door, allowing liquid to drip through oven door vent when cleanin…

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Why isn't my range working?

Main causes: power supply failure, blown thermal fuse, bad relay control board, damaged terminal block, wiring failure…

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Why doesn't my range's oven broiler work?

Main causes: broken broiler element, weak or broken broil burner igniter, control system failure, faulty temperature sen…

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Why won't my range's oven bake?

Main causes: bad bake element, broken burner igniter, control system failure, blown thermal fuse, faulty temperature sen…

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Why can't I unlock my range's oven door?

Main causes: broken oven door lock assembly, wiring failure, electronic control board problem…

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Most common repair guides to help fix your ranges

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

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How to replace a range oven door switch

How to replace a range oven door switch

The oven door switch detects whether the oven door is closed and helps control the oven light. Replace the switch if it …

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Repair difficulty
Time required
 30 minutes or less
How to replace a range oven door lock assembly

How to replace a range oven door lock assembly

Oven door not locking? You can replace the lock assembly in less than 30 minutes. Here's how.…

Read more
Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your ranges

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

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How to clean and maintain your stove

How to clean and maintain your stove

Learn how to clean and maintain your stove to keep it in top shape.…

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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.…

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Oven door won't open: troubleshooting door lock problems on a range video

Oven door won't open: troubleshooting door lock problems on a range video

Troubleshoot and repair problems with your range when your oven door locks shut and you can't get it open.…

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