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Thermador
Gas Cooktop

Model # CGX304U Official Thermador gas cooktop

Here are the diagrams and repair parts for Official Thermador CGX304U gas cooktop, 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.

Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 51 parts  |
Nut 14-93-167
#12

Rough-in box diagram

Nut

Part #14-93-167

Replaced by #00188978

?
Manufacturer substitution
This part replaces 14-93-167. Substitute parts can look different from the original.
$20.59 | 
23% OFF Phone Price : $26.59
In Stock
Ring 20-02-042
#8

Maintop diagram

Ring

Part #20-02-042

This item is not returnable
$3.99
Back Order
Module 35-00-664
#15

Rough-in box diagram

Module

Part #35-00-664

Replaced by #00753257

?
Manufacturer substitution
This part replaces 35-00-664. Substitute parts can look different from the original.
$179.68 | 
6% OFF Phone Price : $191.68
In Stock
Screw 14-91-118
Screw

Part #14-91-118

$77.99
In Stock
O-ring 20-02-018-02
#11

Maintop diagram

O-ring

Part #20-02-018-02

This item is not returnable
$4.52
In Stock
Cooktop Burner Cap 20-02-021-04
#17

Maintop diagram

Cooktop burner cap

Part #20-02-021-04

Replaced by #00189336

?
Manufacturer substitution
This part replaces 20-02-021-04. Substitute parts can look different from the original.
$77.49 | 
7% OFF Phone Price : $83.49
In Stock
O-ring 20-02-018-01
#3

Maintop diagram

O-ring

Part #20-02-018-01

Replaced by #00189317

?
Manufacturer substitution
This part replaces 20-02-018-01. Substitute parts can look different from the original.
This item is not returnable
$27.27 | 
18% OFF Phone Price : $33.27
In Stock
Mntg Kit 20-02-147
#22

Rough-in box diagram

Mntg kit

Part #20-02-147

Replaced by #00188954

?
Manufacturer substitution
This part replaces 20-02-147. Substitute parts can look different from the original.
$35.49 | 
14% OFF Phone Price : $41.49
In Stock
Venturi 20-02-396
#1

Maintop diagram

Venturi

Part #20-02-396

Replaced by #00189321

?
Manufacturer substitution
This part replaces 20-02-396. Substitute parts can look different from the original.
$46.44
In Stock
Valve 20-02-532-01
#7

Controls and tubing diagram

Valve

Part #20-02-532-01

Replaced by #00189305

?
Manufacturer substitution
This part replaces 20-02-532-01. Substitute parts can look different from the original.
$43.98
In Stock

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Repair difficulty
Time required
 45 minutes or less

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