The Worcester GB162 is part of a market leading range of energy-saving condensing wall mounted gas-fired boilers. The GB162 is an extremely versatile and compact wall hung condensing boiler that can be installed on its own or as part of a multi-boiler ‘cascade’ system. Follow link http://www.buderus.ie/files/201111151248190.tech-and-spec-for-gb162.pdf The boiler is available

The HIU provides domestic hot water and space heating to properties that are serviced from district heating or centralised boiler plants. Supplied with or without heat meters. These units comprise two heat exchangers, one for providing instant domestic hot water (DHW) at a regulated temperature and the second for space