hello can any of you gas lads tell me if I get a free boiler under the free boiler schemes,,,how does it work etc??? id like to get the work for my regular lad who I use,,,is this possible??? can I pick who I want to install it or does it have to be one of theirs that do it???,,,do they grant a set amount of money to you etc???,,,a friend of mine got a free one a few year back and it wasn't a make id ever heard of,,,any info on how it works anyone???