[I do not understand the tick box at the top: if I tick it and therefore claim that I haven't used this trader, how could I share an experience I haven't had? Am I missing something here?] SWS installed an ASH Pump (17kw), compatible cylinder and nine replacement, upgraded radiators. Communication between SWS and myself remained flawless throughout. The on-site technicians were quick, clean and efficient. They were ready to listen to and answer any queries I had and demonstrated a good level of knowledge in their responses. The work was carried out to the agreed schedule and budget, though certain teething problems were encountered. These, however, were remedied rapidly. The most outstanding aspect, apart from my satisfaction with the product itself, was the level of aftercare. The coordination between the main office and the installation technicians was superb and the experience has left me with a high level of confidence in SWS.