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    How many 60W bulbs have you seen on a single 5A lighting circuit?

    Some years ago after a minor explosion due to a short-circuit, I discovered that the fuse-box contained half a dozen strands of 5A fuse-wire. Looking more closely, the downstairs lighting circuit was trying to support 20 individual lampholders with 60W bulbs, one with three 20W bulbs, and a 200W...
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    Parallel two-pipe layout?

    I have inherited (not literally) a two-pipe central heating system which has two branches starting near the boiler which then recombine into a single pair of pipes feeding several more radiators. I suspect that an original 15mm run around the entire upstairs (with drops to radiators downstairs)...
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    Boiler cycling, the ultimate evil or not?

    With even the best boilers only modulating down to a certain level and TRVs as standard equipment, boiler cycling seems to be inevitable. Just how damaging or wasteful is it? I'm guessing not a lot, assuming of course it isn't happening every few seconds.
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    Boiler scrappage scheme closed

    The boiler scrappage scheme has run out of money and is now closed: http://www.energysavingtrust.org.uk/Home-improvements-and-products/Heating-and-hot-water/Boiler-Scrappage-Scheme-NOW-CLOSED
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    Vaillant sine flaky pcb?

    I have a Vaillant VCW-Sine 18T3WFH which seems to still work OK for the most part. This weekend it decided it was going to run the CH continuously. The clock and stat won't turn it off, pin 4 is stuck at 240V. Temperature regulation is fine so I think the NTC is fine and the burners go off if...
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