If you own a vintage Sunbeam slow cooker, electric skillet, or buffet server, chances are it didn’t come with a cord—it came with a Sunbeam SB-1 Temperature Controller . This detachable probe is the brain of the operation, and without it, your appliance is just a heavy bowl.

But what happens when the dial feels loose, the light won’t turn on, or you simply lost the manual? Don’t worry. Here’s everything you need to know about using, troubleshooting, and caring for your SB-1. The SB-1 is a detachable heat controller designed for Sunbeam appliances. It plugs into a socket on the side of the device (usually a slow cooker or skillet) and regulates the temperature via a bimetal thermostat.

Drop it in the comments below! Disclaimer: This guide is for informational purposes. Always refer to original product documentation if available. If you are unsure about electrical safety, consult a qualified technician.