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As a for-interest The graph shows three temperature lines (in grey, scale far left), one from the top of the boiler, one from the middle where the HW thermostat is, and one from the bottom. You can see that the stratification is working quite well. The HW cut in around 7am this morning and you...

So I realise that a bit better now. We originally purchased the panels, and the diverter with them. It works by detecting when we generate more than we use, and the puts the extra energy somewhere else. In the last 28 days, it has put ~39 units into the third of the water tank. This equates to...

It might ultimately, but doesn't really meet the no-plumbing I was thinking of. If I am going down the plumbing route, then in some ways I might as well replace the tank. Another alternative, as this just sits by the side of the tank, would be to put in a small bypass with a slow pump, taking...

I have a hot water storage tank, with what I believe is a short immersion element in it (about top third gets warm at most. The main heating is through a gas system which does appear to heat the whole tank up. However, I have a solar system which diverts energy into one or two loads. This is set...

The wiki stated 5mm, but I took a risk (and mainly because I didn't really want a gap, and the shop I was at didn't have 5mm in stock), and got 4mm in the end. Just spent the weekend raising the old tiles (around 2/3rds of the way through, and my arms ache). I got some grey grout in the end. It...

Dumb question here, but the instructions everywhere are vague. I need to seal some porcelain floor tiles according to the box. The sealant says how to apply, and don't forget the edges. Do I however apply it to the polished top (of course), edges (of course), but what about the keyed...

Sorry, I cannot find the original post, it was somewhere on this furum in the last week (I saw it Thursday). and it linked to: http://www.babysecurity.co.uk/p/333495/clippasafe-socket-safe-electrical-plug-cover---lockable-summer-sale.html

I have not used them (but other products of theirs), but the device HE109 from www.homeeasy.eu can be controlled via a remote control. However, it also has buttons on the front, so you would have to put something like the baby lock (in a recent post on the forum) around the switch...

Well done leeco I got 79%, bit worrying really (on that online test thing) Not to put any of you down, but if the exam really is questions like that, I don't see how it can really test that you are prepared for the work you do.

Ok, silly question, but what sq M will that 20kg do?

Are your exams open book? Or do they really expect you to remember off the top of your head the difference between 4.3.2.1. and 4.2.1.2? Hope that none of you have dylexia. If you have to remember the exact paragraph number (rather than what the paragraph actually means) then I feel sorry for...

Hopefully it is, as that is all I did. Depending on how much you are draining the system, and how many new devices you are putting in (I did 3 towel rails, 2 radiator changes in one go), you might want to consider a cleansing solution, and then later a protecting solution (after another flush of...

Would someone mind posting a circuit diagram of the before? I am finding it difficult to think of a situation where the neutral doesn't run close to the live it is meant to be with.

In theory if you can keep dust off the platters, then you can swap the platters DIY. It is a last resort, you must not jog the platters whilst putting the heads back in place. Original disks used magnetic influence/springs at the head arms to keep them far enough away, recent tech. uses air...

Been looking at some large (600mmx600mm) grey porcelain tiles in a not-so-local DIY store. You need to seal them before and after laying them, that is fine. However, being grey, I am not sure what colour grout would look correct between the tiles, and the tiles look better (I think these...

The switches have a blue LED on them, so certainly there is some power draw (and a DC requirement). From what I can remember (from a long time ago), if you have a capacitor on an AC feed, with an infinite resistance behind it, you can get a little 'free' power from it (well, you cannot create...

Local library is a van which comes around once a week, so I don't think so somehow! Thanks for the suggestion though!

Thanks for the reply, unfortunately apart from wording 'take note of how the old switch was connected' and obvious markings of 'live' and 'load' on the switch itself, it doesn't explicitly state the correct way. The swaping the switch cable comment was basically, do most people expect red...

Without physically snapping a piece of the ceiling to check, it would appear to be made of either MDF or chipboard. From the outside, it appears to be the same make-up as the 2'x5' chipboard panels used as floorboards for the room above it (which I have taken up). However, when I just chiped a...

I thought so, powerdery substance, encased often in a paper outer. I thought it would catch fire if a heat source is held to it. To the same extent as a piece of pine anyway.