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Hi Guys, I used the mains to flush the partial blockage of my hot water supply. Although nothing was ejected from the overflow pipe in the CWT in the loft, hot water was restored icon_biggrin.gif Now its reduced again icon_sad.gif The pressure of the mains was not sufficient to blow the...

Thanks guys, really appreciate this. In answer to (hopefully) all points raised: I suspect some form of foreign body has entered the pipe work and insulation debris sounds exactly right because the problem has 'moved' over time indicating to me that the body is floating in the pipe and not...

Hi All, Following installation of a new hot water cylinder located on the first floor of my house (indirect system) I noticed a drop in hot water pressure. The installers couldn't find any fault but hinted at a possible partial blockage in the pipework predating their work! This situation...