Question about Thermador 37 in. SGSX365 Gas Cooktop

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Need Thermador Part 20-02-419

Potentiometer for simmer burner

Posted by Anonymous on

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Posted on Jan 02, 2017

TheMobilian
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SOURCE: Our 6-burner Thermador cook top

Could be bad potentiometers. The spark switches are working so the potentiometers is what I would check first. I have a sorta generic Thermador service manual that I think will help you out.

GAS COOKTOP SERVICE MANUAL PLUS

Posted on Nov 16, 2010

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1 Answer

No flame on exx low


This is generally due to blocked burner heads due to spills, remove it and clean it thoroughly before going any further.

Apr 01, 2014 | Thermador SGS36GS Gas Cooktop

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I am not sure of the model number but the gas cooktop was purchased in 1998. The 2 burners on the left side all of a sudden are not ingiting. There is no gas and the igniters are not sparking. the other...


Hello Sharon,
are the two left hand burners "simmer burners" that low come on and go off to simmer a pot?
and the right side just set on and turn off without the simmer option?

if yes this pretty much describes your cooktop the part called the potentiometer is going the be the problem.

Aug 26, 2011 | Thermador SGS36GS Gas Cooktop

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0ne burner won't ignite, there is no spark from the igniter on the burner. How do you diassemble a burner unit?


Hello- These burners can be difficult to disassemble. I would first try an brush the ignitor, electrode, with a wire brush if it is blackened just be careful not to crack the ceramic. Also, make sure that the burner cap is on correctly, it will not spark if the burner cap is not positioned correctly. In order to remove the burner you have to remove the Ventrui tube, this is the bronze nut with the tube attached that is in the center of the burner. You will need a 20MM socket. If you can get the venturi out the burner will pull off. I believe on this one you have to take off both burners in order to remove that section of the cooktop. Be very careful no to force the nut because if it starts to turn but is not actually loosening then you are turning the orifice holder underneath and can crimp or crack the gas supply tube to that burner. The problem with these is that they often do not come out and have to be drilled off and then replaced along with the orifice holder that it screws into under the cooktop. Now, if the problem is occurring on one of the burners that has the extra low simmer (the ones that you can set to come on and off at an interval) then you will probably need a Potentiometer kit which replaces the switches and the spark module. Unfortunately it will probably be best to have a Tech out who is familiar with Thermadors and their particular issues. Sorry

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We have a Thermador SGC365R which was installed in 2000. The center two burners (extraLow burners) have never worked, but we had no authorized repair people in our area so they never got fixed. An...


Hello- The extra low simmer burners are indeed troublesome. Sometimes you do have to drill-off the burners, sometimes all of them. This is can be very time consuming depending on if you have the right tools. The issue is you have to get the top off the unit in order to access the spark module and switches that come with the Potentiometer kit (the parts they will need to replace). As well, they will have to replace the Venturi Tubes that were drilled off and the orifice holders as well because the venturi screws into this. I would get a parts cost and labor estimate and consider also the cost of installing a new cooktop. I have done many of these, it's the same on their ranges, and it can take a couple of hours. I will say that I have never needed another persons help to do the repair. Hope this helps, best regards.

Sep 27, 2010 | Thermador SGS36GS Gas Cooktop

1 Answer

I need to repalce the potentionmeter in my thermadore cooktop


Hello.
I have worked on a few of these, and it looks like you have one of the cooktops that you need to take off all of the burner bases with a socket wrench, and remove all of the knobs. (Sometimes the burner base bolts are very hard to remove. I have had to carefully heat them up with my torch in order to get them off. A pain in the neck.) The potentiometer is on the burner valve. I am sure you will recognize it when you open it up.
Always make sure you unplug it before working on it because when you go to put the cooktop surface back on, you may push down on a burner valve activating the spark module and you will get a good zap.
You should be able to buy the part from the following links http://www.coastparts.com/mfgs.asp
or http://www.marcone.com/

Dec 02, 2008 | Thermador 37 in. SGS365 Gas Cooktop

2 Answers

Extra low burner that won't ignite


Lowly what the potentior does is turn on the burner control system. When you turn on a normal burner you are opening a gas valve and closing a switch to generate a spark. Thus gas flow to the burner and spark. On the extra low simmer burner there is a electric solenoid between the burner head and the gas valve. this has to open as well for gas to flow. What the potentior does is signal the simmer control what level of flame you are requesting and telling the spark module to generate a spark. Once you go to the exlow setting the potentior tells the simmer control what level of heat and will cycle the flame on and off. So when the burner knob was between low and extra low, the flame would cycle on and off. You have to seperate the top section of the cooktop from the burner box to change the potentior for it sits on top of the gas valve for that burner.

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1 Answer

Clogged burner on gas cooktop


lowly is it the left burners that won't lite? I only ask as depending on the model some of the Thermador cook tops had simmer control burners. This is a 3 part system on the burners. 1 a simmer control, 2 electric solenoid, 3 potentiors. When you turn on the burner the potentior tells the simmer control to send power to the gas solenoid. At the same time the unit will spark. If your unit has extra low on the left 2 burners then you have this system. The usual problem in the potentior. Hope this helps.

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2 Answers

Thermador 30" gas cooktop SGCS304RB


Do you hear gas? If so, take a needle and put it through each one of the small holes where the gas comes out.... Also look for a little "white-dust" where the sparker makes the spark. (located probaly at back of burner). If there is a white dust build-up scrape it off with something (needle) and give her another go...

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1 Answer

Thermador SGCS456R 36' gas cooktop


Take apart the cooktop and it is the potentior on the valve for the simmer burner that is usually the issue.

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