Methinks some of these on here, one in particular now realises that someone with common sense and reasoning and something about em, can do what took them age. Lets face it, it's not rocket science is it. Gone are the days when you have to learn all the fittings off by heart, just get yourself a screwfix mag and look em up. You can even go and buy your boiler bits with no one asking for a gas safe number. It's not surprising people go on these course, when you know people that have been told they'll have to wait three weeks for a boiler part, when it took me half an hour to locate and fetch it. Disgraceful.