While you wait for answers, we may have found some information which could help you.
Click here for Diagram Ab Problemneed diagram for Creda Comfortair AB heater problem?
How to switch off my electric storage creda heater? ?
Heater not turning off?
How to adjust automatic timing of the creda automatic heater model 79151?
how can i repair this heater?
How can I fix my creda storage heater 79161? ?