Thermador
Gas Cooktop

Model # GTH30 Official Thermador gas cooktop

Here are the diagrams and repair parts for Official Thermador GTH30 gas cooktop, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 49 parts  |

Valve 20-09-133
#2

Burner - gth30, gth30lp diagram

Valve

Part #20-09-133

The manufacturer no longer makes this part, and there's no substitute part

Grate 20-09-147
#15

Maintop, gth30 diagram

Grate

Part #20-09-147

The manufacturer no longer makes this part, and there's no substitute part

Ald Maintop 20-01-010-39
#14B

Maintop, gth30 diagram

Ald maintop

Part #20-01-010-39

The manufacturer no longer makes this part, and there's no substitute part

Module 20-09-008
#8

Maintop, gth30 diagram

Module

Part #20-09-008

The manufacturer no longer makes this part, and there's no substitute part

Wire Assembly 20-01-250

#NI

All parts diagram

Wire assembly

Part #20-01-250

The manufacturer no longer makes this part, and there's no substitute part

Porc. Control Panel, Almond 20-01-131-39
#6B

Maintop, gth30 diagram

Porc. control panel, almond

Part #20-01-131-39

The manufacturer no longer makes this part, and there's no substitute part

Burner 20-09-120
#5

Burner - gth30, gth30lp diagram

Burner

Part #20-09-120

The manufacturer no longer makes this part, and there's no substitute part

Porc. Control Panel, Coffee 20-01-131-37
#6

Maintop, gth30 diagram

Porc. control panel, coffee

Part #20-01-131-37

The manufacturer no longer makes this part, and there's no substitute part

Cooktop Nameplate 19-19-009
#11

Maintop, gth30 diagram

Cooktop nameplate

Part #19-19-009

The manufacturer no longer makes this part, and there's no substitute part

Burner 20-09-118
#13

Burner - gth30, gth30lp diagram

Burner

Part #20-09-118

The manufacturer no longer makes this part, and there's no substitute part

Most common symptoms to help you fix your cooktops

Choose a symptom to see related cooktop repairs.

Main causes: lack of electrical power, gas supply failure, bad pressure regulator, control system failure…

Repair guides for gas cooktops

How to replace a spark module on a gas cooktop

How to replace a spark module on a gas cooktop

No flame on your gas cooktop? Installing a new spark module could be the fix you need.…

Repair difficulty
Time required
 30 minutes or less
How to replace a spark igniter switch on a gas cooktop

How to replace a spark igniter switch on a gas cooktop

Follow these step-by-step instructions to fix the surface burner ignition system on your gas cooktop by replacing the sp…

Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your cooktops

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

5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

Get tips on completing essential holiday cleaning tasks to brighten your home.…

How to repair broken or damaged wires video

How to repair broken or damaged wires video

Learn how to repair broken, frayed or damaged wires in your appliances.…

Cooktop common questions

Cooktop common questions

These common questions can help you make the most of your cooktop.…