Recent content by mick-t

Thanks for the reply Dave. Could you point me in the right direction to getting hold of a new prv. Doesn't look a straightforward prv as it has an atatchment for the filling loop

Hi Everyone. I have a 3 year old Vaillant ecomax 835. Just recently it has started to loose pressure and i have to keep topping it up. I am now doing this every 4-6 hours or so. I have checked all the radiators for leaks and cant find a thing. After reading some posts on here i have tried...