Would anyone know what type of limiter this is? It is used on a surface element used in ranges. The contact i circled is supposed to be closed at room temperature but is stuck in the open position. I can close it with slight pressure but once open, it will remain open until manually closed. I tried cleaning the contact and still no help. Any ideas on how to fix it or does anyone know the part to replace it?
Range element thermal limiter
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Re: Range element thermal limiter
The by metal strip is stretched and you will have to buy a new for it to work correctly do not try to fix it because it will not work correctly anymore and could be an issue
Just buy a new temperature control for this stove go to appliances repair service center with the model number and serial number just make sure that you know the size of the element there should be a part number on the element if not just measure the diameter of the element because there are different wattages on these elements and you need to use the right type temperature control for the the right wattage element
I hope this helps youLast edited by sam_sam_sam; 12-14-2021, 08:49 PM. -
Re: Range element thermal limiter
A radiant surface heating element has two switches:
A limiter-thermostat that regulates the element max. temperature to protect the glass ceramic glass cooktop from overheating. It's the smaller switch and is calibrated by the small setscrew. Because of this, the switch comes with the whole heating element assembly. They can't really split that up.
Second is a high-high temperature safety switch which is the one giving you a hard time. The safety switch might latch, once tripped that's it, do not burn down the house?
The high-high limit switch can false trip if it's getting heat from poor contacts or the crimp connectors at the wires can also heat it up. Your switch contracts look not great, they seem to be touching only at the corner - which means high resistance and they will get hot when current flows through them, which can make the switch trip. It's supposed to get pressed by the white plunger poking it.
You can try to get the contacts to mate flat. These things are finicky and a constant hassle to monkey with. I don't have the patience.Comment
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Re: Range element thermal limiter
They are sold as an assembly- the heating element, limit switch, and ceramic base. Example:
https://www.amresupply.com/catalog/E...ce-632517-AD1C
https://www.appliancepartspros.com/g...ap4345739.htmlComment
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Re: Range element thermal limiter
They are sold as an assembly- the heating element, limit switch, and ceramic base. Example:
https://www.amresupply.com/catalog/E...ce-632517-AD1C
https://www.appliancepartspros.com/g...ap4345739.htmlComment
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Re: Range element thermal limiter
Just make sure that when you go to take off the control that hold the terminal ( with a wrench or an adjustable wrench ) goes into the element or you will break the ceramic housing the element terminals which breaks very easilyLast edited by sam_sam_sam; 12-16-2021, 08:39 AM.Comment
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Re: Range element thermal limiter
Post #1 shows a crack in the ceramic rim where the rod goes through, we don't know the history but OP says it's new so I would have gone after warranty. Somebody was rough on it.
At the center, the rod seems crimped in-place. Not sure how to remove the switch but I find these things are not repairable anyway.
Because it has a safety function and needs calibration for the limiter temperature, I think manufacturers just sell it as an entire assembly.Comment
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Re: Range element thermal limiter
Post #1 shows a crack in the ceramic rim where the rod goes through, we don't know the history but OP says it's new so I would have gone after warranty. Somebody was rough on it.
At the center, the rod seems crimped in-place. Not sure how to remove the switch but I find these things are not repairable anyway.
Because it has a safety function and needs calibration for the limiter temperature, I think manufacturers just sell it as an entire assembly.Comment
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Re: Range element thermal limiter
Many of these range heating elements are designed by E.G.O. who's getting them made in china. Haier US with GE, another mega-conglomerate appliance manufacturer as well.
Apparently the limit-thermostat keeps max to around 350°C and above 400°C trips the nuke meltdown switch.
Which part are you thinking is a newer design?Comment
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Re: Range element thermal limiter
Post #1 shows a crack in the ceramic rim where the rod goes through, we don't know the history but OP says it's new so I would have gone after warranty. Somebody was rough on it.
At the center, the rod seems crimped in-place. Not sure how to remove the switch but I find these things are not repairable anyway.
Because it has a safety function and needs calibration for the limiter temperature, I think manufacturers just sell it as an entire assembly.Comment
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