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

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.
BEST SELLER
$27.33 | 
18% OFF Phone Price : $33.33
In Stock
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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Igniter Plug 603777
#303

Burner assy diagram

Igniter plug

Part #603777

Replaced by #00603777

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Manufacturer substitution
This part replaces 603777. Substitute parts can look different from the original.
$27.36
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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
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
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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
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Cover 489125
#607

Oven diagram

Cover

Part #489125

Replaced by #00489125

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Manufacturer substitution
This part replaces 489125. Substitute parts can look different from the original.
$202.62
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Harness 438796
#NI

Cabinet parts diagram

Harness

Part #438796

Replaced by #00438796

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Manufacturer substitution
This part replaces 438796. Substitute parts can look different from the original.
$26.29
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Valve 423093
#207

Control panel diagram

Valve

Part #423093

Replaced by #00423093

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Manufacturer substitution
This part replaces 423093. Substitute parts can look different from the original.
$158.89 | 
7% OFF Phone Price : $170.89
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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
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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 won't my range's oven bake?

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

Read more

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 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 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 heat?

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

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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

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

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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