I had turned off the mains water supply as the washer in the main kitchen tap had completely worn and water was running unstopable. During the time the mains was off, during my absence the hot water tap in the bath was run untill the system ran empty. When I returned to the house I turned back...
Can anyone give any guide lines on how to repair a pcb for the Potterton Suprima 50. I am now on my third board, apparantly this is a common problem with these?