Is it worth swapping my 6 year old Baxi Barcelona for a Potterton Promax to get all the bug fixes mentioned in the 'Barcelona Lockout' //www.diynot.com/forums/viewtopic.php?t=1573&postdays=0&postorder=asc&highlight=lockout&start=0 post. I hear the Promax is very reliable and as it based on...
