Thanks very much for the reply Denso13. However I think that the particular Varta battery in your link fits into a different type of Potterton controller - although I suspect that the principles must be the same. I think that the battery in the link below is the correct shape etc but is...
Hi
Can anyone please help me with a question regarding the back up battery inside a Potterton EP 2002 controller which is 5 years old. The controller works fine but I lose all the settings whenever the mains electricity goes off. As we live in a country area this can happen 2 or 3 times a...
