The STROM 7kW Electric Combination Boiler is a high energy-efficient wall-mounted indoor boiler water heater, perfect for heating and hot water needs in your home. With a power source of 220/240V corded electric, this boiler features a sleek white design and is ideal for compact spaces. Its energy efficiency rating of A ensures that you are not only getting the heat and hot water you need, but also saving money on your energy bills. Trust in the STROM brand to deliver reliable and efficient heating solutions for your home. In working order as removed from a 1 bed flat., changed to gas fired combination boiler. ideal for outbuildings, 1 bed flats, studio flats, annexe etc.