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Exactly. Although I'm no longer a "practicing" electrician... when I was I took the same approach which was drummed into me by the guy training me, as an old fashioned apprentice. Inferior materials always comes back to bite you.

I went for the separate ISO as well as I didn't want to have to access right up behind the sink to undo the flexi should the ISO fail. Not likely to be for years, I hope, but you never know. Maybe I'm just paranoid.... From my non professional point of view Picasso I have tried Pegler and the...

Nearly went for the iso valves on flexible pipes which are similar to filling loop ones. One less "joint" to worry about.

Funny enough I was just looking at those. There are the "big" lever ones and the ones with the small handles. Depends on available space where they are being fitted I guess. They all seem much of a muchness regardless of brand.

So I'm throwing out my old fittings that I've saved for a "rainy day" but like to keep at least one of each of things like compression 15mm isolating valves for DIY purposes. I could go to the usual sheds to but it or Amazon. But having had a couple of the cheapo ones fail, usually the ball...

I'll give that a go....thanks

Thanks John...thats what I thought. I don't think its condensation but its possible given it's the cold feed and it's in an enclosed space in a vanity unit I've just fitted that did have some water spilt and is quite warm next to the hot feed. But yes the joint looks OK but if it is weeping its...

I have a slightly damp compression joist under a very difficult area...a vanity unit. Its not dripping, or creating dampness other than a very very small damp area on the joint. Its obviously weeping out from the joint but I'm loathe to overtighten it. Its very difficult to get spanners on...

Yes, sorry, I re read my first post and it reads like that. I've changed the post so thanks for pointing it out, I blame too many Lemsips :sick: I've always sub- consciously viewed the rad as a "safety" feature which is clearly wrong.

From what I understand the "expansion rad" appears to be a left over from the previous vented system. Its only on the hot water side of things and not part of the central heating circuit so in effect a "towel rad". Maybe expansion is the wrong word as its probably just a heat source for the...

I have a Potterton Profile (regular) boiler that was installed in my house in 1989 when new. Its still there, passes its BG check and service every year, usually with a thumbs up from the engineer as a boiler "they don't make 'em like they use to". I live in a very hard water area and had the...

I have a 600 x 500 single rad in my bathroom which is the hot water/towel rad for the unvented system. It stays hot from most of the time of course. Thinking of replacing it with a chrome towel rail with lots of pipes or bars so good heat capability. Is this a good idea ? Is it a case of...

Thanks. I have a big 5 litre bottle of white vinegar for limescale so I've already sanded to bare metal and cleaned the rust area with that and gave it a coat of Red Oxide paint on the bare metal. Its not much just areas at the bottom of the rad. I have read comments about rad paint that aren't...

I'm assuming theres not a small screw on the side,or both sides, of the fitting. But yes you need to force what looks like some sort of cap that's probably been stuck in. As sparkwright says poke a thin screw driver in, although it looks like you've already tried that ? Or even use a drill to...

I have a couple of radiators that have the usual rust spots on the bottom that have lifted the paint. i have rubbed them down in those areas and removed any loose material and have a fairly smooth sanded surface. In the past I have treated these with red oxide paint and then over painted with a...

Just checked. Boiler service and maintenance is included once a year and it covers all faults on the whole unvented system.... I can't touch it of course anyway. But doesn't mention maintenance as a specific. Might have a word with them to see what they offer. If I have no joy I will contact my...

Not sure if this is of any help I fitted a back fed Gainsborough concealed mixer in my on suite shower around 1997. The shower is a decent size cubicle but not huge and a concealed was the better choice for me to save bashing my elbows. Had the cubicle re-tiled 2 years ago and replaced the...

I know they have done some checks on the system when they visit to service the boiler but on reflection its just been cursory. I'll ask them what their policy is on this before asking for a more detailed service check.

I have an unvented system with, I think from memory, an Ariston tank. My central heating system is 15mm upstairs and micro bore downstairs. the house was built in 1989 and apparently that's what they "did". The system was installed around 2006 and is working fine with the occasional top up of...

Agree with the other comments. This is something I did a few years ago. I used to be an electrician and I am "competent" at basic plumbing and most small building jobs around the house. Especially tiling ..... so not an expert in this but I have done it before as I say. There are plenty of times...