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    Wiring

    A picture would help! It looks as if the wiring is conventional. You will have one three-core cable (red, black, green/yellow) coming from the distribution unit bringing power to the fitting. A second three-core cable (red, black, green/yellow) will go from this fitting to the next one. A...
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    DHW Cylinder - is this a common failure mode?

    Well, I finally got the new cylinder in! I drained down the old one and removed it. It had been leaking from a hairline crack just to the side of the cold water inlet. There was no obvious reason why the crack was there as the surrounding metal was sound and not obviously corroded. There was...
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    DHW Cylinder - is this a common failure mode?

    I have a 450 x 900 indirect cylinder that I put in about 10 years ago and I've noticed that there is now a very small (weeping) leak at the point where the cold water feed enters at the bottom. It's at the side so not easy to see (especially with the insulation around it) but it looks as if the...
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