I AM A POTTERTON 80 PUMA AND WHEN WE SWITCH IT OFF MANUALLY THE PRESSURE DROPS TO ZERO AND THEREFORE THE BOILER THEN GOES TO LOCKOUT, IF WE LEAVE THE BOILER ON THE PRESSURE WILL ONLY DROP BY 1/2 BAR. WE HAVE CHECKED AND CANT FIND ANY LEAKS SO, HAS ANYBODY GOT ANY IDEAS ?????
Thank you for all of your advice, we will test the diverter valve later today and then order one keep your fingers crossed it all works ok if not i will let you all know
Thanks again you are all great
xxx
We have the same problem, where we have loads of hot water and the rads are luke warm for some of the day and night, we had a knackered pump so we replaced that (£80 later) IT has helped but has not resolved our problem
we cant work out why after a few hours in the evenings the rads actually...