Common central heating problems There are crucial factors that need to be in place to ensure a boilers fictionality this will take it from standby into central heating or hot water mode. Most modern central heating systems are controlled by some form of external control, this can be by way of a programmer or a room stat or on occasion a combination of both. Employing a continues regiment of an annual boiler service is a great strategy in terms of longevity. However, when a central heating...