Worcester-bosch, baxi, vaillant, ferroli, glowworm, ideal, potterton, ravenheat and vokera we offer a / callout for boiler repair in york! Professionally installed gas and lpg boilers come with either a five or ten year manufacturer’s warranty. Absolute shambles of a company! Lastly, here are a few examples of when you should really consider upgrading to a new boiler if you are in one of these five positions, give it some serious thought. With a new energy efficient boiler? Asp kw / output connection option ideal as an alternative source of heat it can be used as a main source of heat once pump and expansion vessel are installed. Regular boilers (also known as ‘conventional’ boilers) heat your central heating system directly and produce hot water for your cylinder. Appointment arranged promptly turned up on the day as agreed and got the hot water working properly again excellent service! This means that the water will take longer to heat but on the flipside, you’ll be saving energy! (and therefore money).