Hi, sorry for the delay Tony, I’ve not been well.
Model number is K9412i and I THINK the index number (is that a serial number?) is 82/96206770.
We assumed it must be the thermostat and have looked for them online. However when my husband took off the front panel where the thermostat dial is, he could only see a circuit board, nothing that looked like the ‘
Repair kit Temperature sensor’ available from Miele!