While you wait for answers, we may have found some information which could help you.
Click here for Creda Storage Heater Threecreda temp control knob?
How to switch off my electric storage creda heater? ?
how can i repair this heater?
Storage Heaters - Creda 79141 and 79151?
Creda Storage Heaters?
Creda 79151c thermal fuse failures, what is the cause?