British gas for ya.
Half the fitters are no longer British gas just contractors in disguise.
If It makes you feel any better and right on queue I've just been called out to a leaking valiant, just out of warranty leaked from the plate exchanger seals, soaked the units and half the kitchen then miraculously stopped leaking all on its own, I can see the trail of water where it's left its mark and it's trapped under the upstand for plate ex, I'm rapidly going off them.