I would choose Worcester. The guarantee is only as good as the company backing it up! Install the system filter for the additional 1 year guarantee!
Never seen intergas van around, I heard the installer has to honour it!? But then there would be no spares on board like a Worcester service engineer, plus the installer might not be confident in this "rare" boiler
Never seen intergas van around, I heard the installer has to honour it!? But then there would be no spares on board like a Worcester service engineer, plus the installer might not be confident in this "rare" boiler