Most difference between system boiler versus combi related news are at:
boiler-systems.co.uk
– Boiler Systems: Central Heating Boiler Systems
Powerflush 28 May 2010 | 02:26 am
A Powerflush (or power flush) is an efficient way of removing the sludge and dirt that build up inside your central heating system over time. Without a Powerflush you could see a gradual reduction in ...
British Gas combi boiler efficiency ratings 28 May 2010 | 02:24 am
Listing of current British Gas combi boilers listed in declining SEDBUK rating order. British Gas: RD : 532i Combi gas : combi : condensing : wall mounted Power Rating: (32.5 – 32.5 kW) SEDBUK eff...