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  1. M

    Complex earthing situation - TT supply

    A while ago I moved into a house built in 1960. I'm not entirely happy about the wiring configuration which is quite complex. It's as follows. Fused 60A TT supply (odd that as it's underground not o/hd and the substation is 50 metres away) comes into the detached garage. Two tails go to the...
  2. M

    Shower pipe sizing

    I'm adding an en-suite shower. I intend to fit a pump (dual i.e. hot and cold) next to the hot tank (on the same floor level). The pipe runs to the shower will be about 13 metres from the pump. I'm not after a high flow sort of shower, just a decent traditional sort of performance using a...
  3. M

    Repeated bleeding of sealed system

    I have a system new this year with a Worcester Greenstar 27HE system condensing boiler, 3 port valve (external not in boiler) and all new rads and hot water cylinder but using some pre-existing pipework. I'm having to bleed one rad (furthest away upstairs one) repeatedly. I don't understand...
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