We had a combi okay, hot water whenever you require it, but if somebody turns a tap on when you're in the shower, heavens you know about it! Rics surveyors, local knowledge and at competitive prices. All boilers come with a one-year warranty looking for even more headache-free years? Expanded telephone support for heating contractors. Looking for a service provider? No sales calls of any kind ** no call out charge t plumbing and electrical services, established.