The latest the plumbing daily! Compare prices of electric combi boilers. Emergency plumber in sutton covering local areas: wallington, rose hill, morden, carshalton, cheam and ewell super fast, friendly and efficient service. Why use ahp boiler services for all your boiler and central heating needs? They have a boiler, a hot water cylinder often fed by a cold-water storage tank in the loft and a feed and expansion cistern in the same location.