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Thermador
Gas Cooktop

Model # GNG12M Official Thermador cooktop

Here are the diagrams and repair parts for Official Thermador GNG12M cooktop, 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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Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 41 parts  |
Switch Knob 14-41-483-02
Switch knob

Part #14-41-483-02

$15.49
In Stock
Terminal 14-29-992
Terminal

Part #14-29-992

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

Book, Care And Use 14-41-613A

#NI

All parts diagram

Book, care and use

Part #14-41-613A

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

Template, Adjusted 14-41-476

#NI

All parts diagram

Template, adjusted

Part #14-41-476

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

Conduit, Flexible, 3/8 X 54" 14-41-701
Conduit, flexible, 3/8 x 54"

Part #14-41-701

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

Wire Assembly 14-41-611

#NI

All parts diagram

Wire assembly

Part #14-41-611

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

Cover, White 14-31-158-02
Cover, white

Part #14-31-158-02

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

Handle 14-19-115-11
Handle

Part #14-19-115-11

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

Lock Washer 14-92-007
Lock washer

Part #14-92-007

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

Set Screw 14-90-205
Set screw

Part #14-90-205

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

Most common symptoms to help you fix your cooktops

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Why isn't my cooktop working at all?

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

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Repair guides for gas cooktops

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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.…

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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…

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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.

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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.…

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How to use a multimeter to test electrical parts video

How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working…

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Cooktop common questions

Cooktop common questions

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

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