Hi im new so Hi . I have a general question for the gas boiler boffins .Im thinking of changing my 55 micron wall hung cause it blew two pcbs within two years ..enough said and yes both times with new stats ..please dont quote cargi rules as they dont apply here in Ireland .. anyway i would like to ask your advise on the best type of replacement boiler keeping iin mind replacement parts and if possible quote u.k prices as i can compare Iwould be particularly initerested in a good candensing unit particularly the one that will give least trouble ..lol.mik. .