While you wait for answers, we may have found some information which could help you.
Click here for Kettle Model LightDualit JKT jug kettle?
Dualit kettle turning off before boiling? My solution?
Dualit JKT43 kettle not staying switched on?
Kettle thermostat gone?
Dualit Stainless Steel Kettle dismantling query?
My dualit kettle has stopped working?