Replacement internal temperature sensor for K type Hottop KN-8828 series roasters (i.e. any model number ending in K such as KN-8828B-2K). If yours has a non-K-type sensor you'll need the non-K-type replacement sensor). This device sits on the rear wall of the roasting chamber and provides the temperature readings for the roaster. General warning: undertaking any repairs may expose you to electrical or mechanical hazards and void any warranty on your unit. Ensure you read the repair procedures and seek qualified assistance if necessary. P38