You’ve just had a new boiler fitted. It cost an arm and a leg and you’re going to have to hold off on that swanky weekend trip to Paris for another year. But at least you have hot water. A month later, you’re having a casual morning shower. The water runs hot and cold, causing you to dodge in and out of the stream with a chorus of tiny yelps. A fews months after that you get an astonishing bill from your energy supplier. This is why we only work with Vaillant boilers. We’re c