http://www.ahm-uk.com/2009/03/25/system-boiler-to-combi-with-vertical-flue/ Keeping you safe from cowboy builders. Tue, 12 Apr 2011 17:36:55 +0000 hourly 1 http://wordpress.org/?v=3.3.1 http://www.ahm-uk.com/2009/03/25/system-boiler-to-combi-with-vertical-flue/comment-page-1/#comment-251 Michael T Thu, 26 Mar 2009 20:49:21 +0000 http://www.ahm-uk.com/?p=1081#comment-251 Hi Dave just having a look through your site its nice to see you are using the top quality brand of viessmann, i myself install these products and have found them to be of highest standard. keep up the good work. Hi Dave just having a look through your site its nice to see you are using the top quality brand of viessmann, i myself install these products and have found them to be of highest standard. keep up the good work.

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