Here is a link to the Owner's Manual for your skillet:
http://www.gehousewares.com/products/106749%20ib_1066419488322.pdf
To view the Owner's Manual with Operating Instructions just use your mouse to click on the link, which is the underlined and highlighted text just above. This will open a new web browser page automatically for you and allow you to view the information at the website indicated and the contents of the Owner's Manual.
You may need ADOBE READER installed on your computer to read PDF documents.
You can download this free at
WWW.ADOBE.COM if necessary.
Click on the DOWNLOAD ADOBE READER button on right side of the ADOBE home page when you get there, then follow the onscreen instructions to install the software on your computer.
See page 2 of the manual in the PARTS AND FEATURES section for the details on the type of replacement part you need. It says to use only an MPTC-3 TEMPERATURE CONTROL PROBE.
Here is a link to a replacement MPTC-3 Temperature Control Probe currently available on Ebay for about $23 US:
http://www.ebay.com/sch/i.html?_nkw=MPTC-3+&_sacat=0&_odkw=MPTC-3+temperature+control+probe&_osacat=0&_trksid=p3286.c0.m270.l1313
Just use your mouse to click on the link, which is the underlined and highlighted text just above. This will open a new web browser page automatically for you and allow you to view the Ebay item indicated.
Or you can just go to your local appliance outlet in person and ask them for that standard model of temperature control probe (MPTC-3) which they should have in stock.
Please comment back here to this page if you have any details to add, have any questions, have difficulty accessing the links, or just require further general assistance and I will respond as soon as I see it.
I hope that was helpful to you, good luck and take care.
Joe.