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    Replacing ground floor pipework

    Our house was converted from an old barn in 1986. The builder installed microbore central heating with the ground floor pipes buried in the slab. Unsurprisingly, we have just suffered a pretty major leak which drops the pressure from 2 bar to zero in 15 minutes. The walls in the area are...
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    Boosting water pressure

    One for the plumbers out there! I have a 'standard' plumbing installation comprising cold water tank in loft, indirect hot water cylinder in (upstairs) airing cupboard and modern condensing gas boiler downstairs. I have recently renovated the bathroom, but many modern taps, especially...
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    Earthing in Spain

    Would appreciate advice from an expert in earthing systems. My installation here in Spain is (I believe) a T-T system - overhead single phase power supply, only earth is at the consumer unit. This is a very good earth, connected to about 200m of reinforcing rods in the house foundations...
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    Rather techy DHW question...

    Sorry if this is a bit long, but... I am setting up a system which incorporates a recirculating DHW loop so that hot water is immediately available at all taps, but I've come up against a problem that I'm not sure how to solve. It is perhaps worth pointing out that I am based in Spain...
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