Roger Bisby explains how to install a FlowSmart and Gas Saver flue capture unit coupled with an Alpha CDC combination Gas Boiler. See the 18 litres of hot water flow rate for yourself. A really powerful shower from a combi and it has a lower carbon rating so it’s perfect for new-build as well as refurbishments.
http://www.selfbuilder.net
Duration : 0:8:52
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