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derekgas · 25-12-2007, 12:42

£2500 is nearer the cost for a 35cdi which condenses in hot water as well as heating mode, or for conversion from regular boiler (with tanks) to a combi, regular combis are around 75% efficient, condensing combis are around 90% efficient, the best I have had is 96% efficiency with it going flat out, an average is more like 90.3, the difference in different machines is negligable with condensing boilers, but quality and reliability is a different matter.

25-12-2007, 12:42	#23
derekgas God Member Join Date: Jul 2007 Location: Accrington Posts: 2,539 Liked: 2 times Rep Power: 901	Re: Plumbing emergencies! £2500 is nearer the cost for a 35cdi which condenses in hot water as well as heating mode, or for conversion from regular boiler (with tanks) to a combi, regular combis are around 75% efficient, condensing combis are around 90% efficient, the best I have had is 96% efficiency with it going flat out, an average is more like 90.3, the difference in different machines is negligable with condensing boilers, but quality and reliability is a different matter. __________________ www.fgcc.co If time travel were possible, wouldn't somebody have been back or forward and told us by now? Last edited by derekgas; 25-12-2007 at 12:45.