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Thermador Ranges

Official Thermador range parts

Whether you are a regular cook or an accomplished chef, you can confidently rely on your Thermador range to help you create anything from simple breakfasts to exquisite multicourse meals. When the gas burners aren't igniting or the oven is not baking properly, you'll likely need to replace some parts. Sears PartsDirect has the Thermador repair parts you need to fix any range problem.

How to fix your Thermador range when a surface burner won't ignite

A surface burner igniter switch and a spark module activate the spark electrode when you turn the knob on a gas range's cooktop to the "light" position. If you don't hear the ticking sound of a spark jumping from the igniter electrode to the burner head when you start a burner, check the igniter electrode first. Clean the electrode if it's covered with spilled food. Replace the electrode if the ceramic insulation is broken.

If the electrode is okay, you may need to replace the igniter switch or spark module.

Troubleshooting burner problems in your Thermador gas range

If neither the oven burners nor the surface burners heat properly, then check the gas supply going to the range for properly supply pressure. Get help from your local gas supplier if supply pressure is deficient. A failing pressure regulator in the range can also prevent oven and surface burners from getting the right amount of gas. You may need to replace the pressure regulator if the gas supply to the range is good but gas pressure going to the oven and surface burners is weak.

For a surface burner not heating properly, check for and clear any clogs from the burner orifice. A failed surface burner control valve can also prevent a surface burner from heating properly. Replace the burner control valve if it won't control gas flow properly.

If your oven burner isn't heating properly, a weak igniter may not keep the burner lit. You'll likely need to replace the oven burner igniter if the igniter glows but doesn't always light the oven burner.

A failed electronic oven control board or failed oven temperature sensor probe could prevent the oven from heating properly. You can test the oven temperature sensor probe by unplugging the range and measuring sensor probe resistance using a multimeter. You should measure about 1,080 ohms of resistance through most probes at room temperature. Refer to the tech sheet for the probe's resistance specification for your range. You can likely find the tech sheet in the control console or taped to the back of the range. Replace the oven temperature sensor probe if you don't measure the correct resistance through the probe. If the probe is okay, then you may need to replace the electronic oven control board.

Some ranges use an oven thermostat to control the oven burner. Replace the oven control thermostat if it doesn't regulate oven burner heat properly.

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