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- 30 Jan 2008
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i recently added 3 rads to my existing worcester boiler system and think i have muddled up the ends that should have the rad valves on, one radiator at the far end of the circuit was cold so i balanced the upstairs rads by opening the feed end one turn out from closed position and that fixed it, does anyone know a way of identifying which is the feed pipe and which is the return pipe without going under the floor, i had a idea that if the system is cold and i turn the heating on the feed pipe will be the first one to get hot, also what will happen to the system if the trvs on the 3 x new rads are on the wrong end ? does it matter, i dont think they are dual trvs. any help is much appreciated because at present on the new rads pipe below the trv is hot and the other end is cool, this to me symbolises i have ballsd it up and the ends need swapping over, the radiator is warm but not piping hot. thanks, marc