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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  |
Holder 600607
#311

Burner assy diagram

Holder

Part #600607

Replaced by #00600607

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Manufacturer substitution
This part replaces 600607. Substitute parts can look different from the original.
$27.33 | 
18% OFF Phone Price : $33.33
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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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Tube 189023
#302

Burner assy diagram

Tube

Part #189023

Replaced by #00189023

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Manufacturer substitution
This part replaces 189023. Substitute parts can look different from the original.
$35.49 | 
14% OFF Phone Price : $41.49
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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
Knob 609105
#216

Control panel diagram

Knob

Part #609105

Replaced by #00609105

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Manufacturer substitution
This part replaces 609105. Substitute parts can look different from the original.
$89.07
In Stock
Switch 428049
#202

Control panel diagram

Switch

Part #428049

Replaced by #00428049

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Manufacturer substitution
This part replaces 428049. Substitute parts can look different from the original.
$15.83 | 
11% OFF Phone Price : $17.83
In Stock
Pin 418283
#505

Control assy diagram

Pin

Part #418283

Replaced by #00418283

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Manufacturer substitution
This part replaces 418283. Substitute parts can look different from the original.
This item is not returnable
$5.49
In Stock
Tube 445582
#408

Gas supply diagram

Tube

Part #445582

Replaced by #00445582

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Manufacturer substitution
This part replaces 445582. Substitute parts can look different from the original.
$136.49 | 
8% OFF Phone Price : $148.49
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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
Valve 492270
#410

Gas supply diagram

Valve

Part #492270

Replaced by #00629120

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Manufacturer substitution
This part replaces 492270. Substitute parts can look different from the original.
$105.73
In Stock

Most common symptoms to help you fix your ranges

Choose a symptom to see related range repairs.

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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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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 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 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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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

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

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How to use a multimeter to test electrical parts video

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