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Thanks all. Don't worry about the ball-o-fix valves, they were just temporary for pressure testing the pipework.

I'm trying to revive some old cast iron radiators and am having trouble removing some of the old fittings. Previously the rads were piped with the valves at diagonals, one bottom left, one top right, plug and bleed valve on top left, and a blank plug on the bottom right. I now want to remove...

Thanks guys, but none of the parts linked to look to be quite the same. If I have to fit new heads to both taps then I will, but I'd prefer to stick with what's currently fitted. I might be able to remove the broken section of stud from the old tap, but I still have no idea where to purchase a...

Evening all. Is anybody able to identify the brand and model of tap in the attached pictures? I believe it to be Ideal Standard, as that's the brand of the basin and the rest of the bathroom fittings, but it doesn't seem to be part of their current range. Unfortunately I managed to shear the...

I would tend to agree, but I'm not sure how practical that would be. Does such a thing as a 15kW wet storage boiler even exist? It would surely have to be huge to retain enough heat to sustain system output during the day. Largely irrelevant anyway, the supply is split from the landlord...

Thanks Richard, I hadn't come across ACV in my searching, though they appear to be more expensive than the other two brands I mentioned previously. I can understand why that'd be the case when compared to the Elterm Mars, which isn't electronically power adjustable or triac controlled, but it...

Buy yourself one of there. I bet the system won't be drawing anywhere near as much power as you think, even with five high end graphics cards.

They'll be no more difficult for your electrician to connect than any other light, as far as wiring is concerned.

Elnur CM15 or Elterm Mars series, as these seem to be the only two in the 12-15kW range that can be run on three-phase. If you know of any others then I'd be glad to hear it. Absolutely cannot be single phase, as the supply to the entire building is only 63A/phase.

So what's the deal with an electric flow boiler with internal expansion vessel <15l, i.e. an electric system boiler with no DHW storage?

Care to elaborate on that, Dan?

Thanks Tony, being an electrician I was unsure as to whether it was the system volume as a whole, or the storage capacity inside the boiler itself. Presumably similar rules apply regarding PRV pipework?

With regard to electric system boilers, can anyone tell me whether or not a G3 cert is required to install such a system? As far as I can tell, it carries a similar inherent risk to an unvented cylinder. Oh, and before anyone mentions it, yes, I realise electric boilers are the devil's spawn...

http://www.tlc-direct.co.uk/Products/ASJ701.html along with suitably sized terminal strip would be a more standard solution. You'd prefer not to see it on a new installation, but as you have to work with what you've got... Oh, and you'd want to clip the cables where the exit the box to...

17w is going to be nowhere near enough for soldering laptop power jacks, for the reasons already mentioned regarding the large pads. I have a Weller 45w and have done a couple of such jobs for friends/family/friends-of-friends, and wouldn't want to use anything much lower in wattage than that.

You're thinking of a thermographic camera, which isn't really the same thing as a CCTV camera with IR illumination, which is what I assume the OP is referring to. In any case, I can't see it posing any risk to your pets.

Trouble is that you need to have access to a drain, which isn't always going to be that easy in a loft. As a minimum it would be sensible to use solid wall ducting such that there aren't any areas for the water to pool, and insulate it to prevent so much condensation occurring when the warm...

If you want rechargeable batteries with an extremely low self-disacharge rate, look at Sanyo Eneloop. I won't buy anything else any more. They'll happily sit for a year and more and still be good to go when you need them.

I had exactly the same thing with mine, although not identical symptoms. Sometimes the unit would power on, other times it wouldn't. Metrel diagnosed a faulty power button and repaired under warrantee, which was good considering that I wasn't the original purchaser, but the problem still...

Supplementary bonding is what's required in the bathroom, so there will be no need to run an earth conductor back to the consumer unit. If you're referring to the main Protective Earth Bonding on incoming gas and water supplies where the enter the house then that's a different matter.