the GA does throw up some really strange faults at times and as the OP says calibration can be an absolute pain they just dont want to go through it properly sometimes for no obvious reasonI did say in post #9 that @gas112 is usual Baxi man on here and knows them very well.
go the main eco comppact which is clone of a mark 1 baxi 630 a very reliable boiler and cracking price with 5 year warranty or if you need more than 30kw go for the baxi duotec compact 36 with 7 year warranty or the baxi compact platinium with 10 years all the same boiler just paying extra for the warranty(For the record, we would be happy to have another Baxi, just depends on what the installer suggests).
on the brightside stick all those new bits onto ebayJust formally accepted a quote from our local GSR for a new (Vaillant) boiler.
We're wondering if now a decision to spend the money and replace has been made, the Baxi will suddenly start working perfectly...
on the brightside stick all those new bits onto ebay