While you wait for answers, we may have found some information which could help you.
Click here for Replaced Work Heardfaulty leaking kettle?
Kettle thermostat gone?
How can I mend my Dualit electric kettle, model no. JKT33a?
Dualit JKT43 kettle not staying switched on?
Dualit Stainless Steel Kettle dismantling query?
Dualit Kettle JKT2?