The Vokera thermistor increases the circuit resistance as it gets colder. The Printed Circuit Board (PCB) sends a current to the thermistor and can tell whether less or more heat is needed by the relative resistance in the thermistor.
Genuine replacement part for Vokera
Technical specification
Waist Sizeaa49cc12gzTypeThermistorSupplier Part Number10027351Brand NameVokera