Great electric boiler, used once.Very quiet. Very slim so takes up less room than the traditional gas boilers Heatrae Sadia Amptec U901W Electric Boiler Underfloor The Amptec U901W from Heatrae Sadia is an electric boiler. This model has an 7.5-9kW output. Will cope with up to 120m² Under Floor Heating Space. This boiler provides controllable central heating without a mains gas supply. The dimensions are H1050 x W90 x D90.This model is designed to provide hot water for underfloor central heating systems - there are also models available which are designed for radiators. I have 3 no. £350 each. For any information contact me on 0-7-7-7-3-2-9-0-5-1-6 . Thanks