Are you sure you would like to leave? We supply and fit a range of boilers, including: wall mounted, floor standing, conventional and combination (combi) boilers all of which are ‘a’ rated. For a purchase price of £, and they can provide considerable savings over the year for example, if your old boiler had an efficiency rating of %, a % efficiency boiler can add further savings of % – equivalent to £. Where can i buy drain out bathroom? In each and every.