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I believe (I'm not a sparky) that that includes any exposed screws, e.g. (edit) visible screws holding a faceplate on need to be plastic (possibly nylon).

I think Harry is referring to the picture in the very first post, not to the picture that RF posted.

There's no absolute reason why the pipes from/to the boiler can't be tee'd off close to the boiler so that one radiator is, effectively, on its own circuit. However you might find that that radiator gets more than its fair share of hot water. As the others have said the radiator has to be on a...

Definitely. Please don't take the numbers in this condescending description as gospel; as an explanation, draw some water from the cold water tap, now heat it up to boiling point - you've put in a "dollop" of heat. Keep on heating it until it's all evaporated - that's taken 6 more "dollops" of...

Deleted as covered by other posts (I was too slow typing).

I agree the OP could have been clearer but he did say: He could well have meant "Existing socket has a spur ..."

Unfortunately it sounds as though the fuse you've pulled out is nothing to do with the heater. I can only suggest that you find the cable going into the heater and follow it back and hope to find a different fuse / switch which you can remove / switch off. Otherwise look in your CU (aka fuse...

I did consider that but my (extremely) cheap and nasty multimeter doesn't do AC current.

Many thanks for your speedy response.

There are plug-through (doubt whether that's the right word) RCDs available, an example (link): https://www.ryness.co.uk/13-amp-30ma-plug-in-rcd-adaptor-white In my minds eye I can see a Residual Current Meter looking something like (apologies for shadowy photo): but I can't find anything, am...

Just living down to my moniker: I'm absolutely certain Bernard meant "drying" ( d & f next to each other on keyboard).

Living down to my moniker. I assume Scousespark meant "The calculation is simply Ib <= In <= Iz".

In case this is helpful to anyone else. Swapping over the bits to prevent deadlocking from the outside (using the key) was easy. But I couldn't do anything about the snib; there was no obvious way of removing the snib button from the snib slider (inside the "shell"). Also, in this case, there'd...

Another thread has started up about when TMVs are needed: https://www.diynot.com/diy/threads/requirement-for-thermostatic-mixing-valves-tmvs.551603/

Living down to my moniker, I believe Simon meant "should not be getting water..."

I've got a Wylex rewireable fusebox and installed such MCBs. When the flat above sprang a leak which got into my lighting circuit, it was a darn site easier to flick the MCB back on than to rewire a fuse. (You do need to use the complete unit, i.e. you need to use a screwdriver to remove the...

In Entry 12, Captain Nemesis said "London".

Yes, it's a 60mm. sparkymacka said "It should be a straight swap over". Many thanks. Edited to remove ambiguity.

Short question: does anyone know how easy it is to transplant the innards of a Yale 91 nightlatch (link): https://www.yale.co.uk/en/yale/couk/products/mechanical/nightlatches/91---basic-security-nightlatch/ into the Yale 89 nightlatch shown in the picture below: Long explanation: The Yale 89...

A previous thread reckons you need to be careful about access to a boiler in the loft: https://www.diynot.com/diy/threads/gas-boiler-and-isolation-regs.548345/