That happened to us when they came to fit the gas cooker, first AO didn't have the right pipe and then the local firm that finally did it didn't have the right pipe I asked them what they wanted and mike went and got a lump out of our shed for them, i am sure they use it as an excuse, why don't they have dam pipes, they are all looking for jobs where they can just pop along and push fir for £80. So now thanks to him you are frozen.