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    35kW combi, 15mm CH pipes, 22kW rads - problem?

    Thanks for the replies. Yes, he said flow and pressure was okay but didn’t give me any readings. It’s a mix of plastic and copper pipe as an extension has been added.. I replaced the 15mm copper hot and cold supply with 22mm Hep. For the CH the extension was in old 15mm Hep which has been...
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    35kW combi, 15mm CH pipes, 22kW rads - problem?

    I’m feeling despondent so please go easy on me. I’ve swapped 15mm hot and cold pipes for 22mm and where I could get access replaced the old 15mm CH pipe with new 15mm Hep20. I’ve got a 35kw combi boiler that feeds a 5 bed house including loft conversion. There’s a main bathroom with separate...
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    Side lamps controlled by ‘light switch’?

    Just an idle thought… In an ideal world I’d like the side lamps in my living room (which are plugged into the double sockets) to come on via a switch as you enter the room i.e. same as how you control the overhead light. (I rarely have the overhead one on.) A fused spur would look awful but...
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    Replace red and black 10mm cable to loft conversion?

    Thanks, it does work so I’ll leave it be. Everything else in the CU is blue and brown so it’s not too ancient.
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    Replace red and black 10mm cable to loft conversion?

    Yes, what’s the point in all circuits tripping when just one could. So it’d be more useful to run a lighting cable and a socket cable to the loft? This may be where I feel out of my depth and leave well alone. Do the cables run to the loft CU or does that become redundant? If so would you...
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    Replace red and black 10mm cable to loft conversion?

    Thanks Jurassicspark. So does that mean it would be better to have the loft lighting and sockets as two separate circuits from the main CU and forget about the loft CU?
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    Replace red and black 10mm cable to loft conversion?

    No, there’s plenty of space in the CU. Getting more cable through the back might be a challenge though. Looks like it. Shiny red and black. Had to Google that and still don’t understand!
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    Replace red and black 10mm cable to loft conversion?

    Thanks all. I just looked at Building Regs and it looks like the conversion was done in 1991. I’ve got no problem with it, but I wondered if it’d give a better impression down the line if the house was ever sold.
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    Replace red and black 10mm cable to loft conversion?

    Hello I’m doing some renovation and I have a loft conversion which has its own small CU for its light and sockets. It’s fed by a 10mm cable from the main CU on its own RCBO. However it’s black and red and I wondered whether it’s considered old. I obviously won’t be attaching it, but I could...
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    Gardz thick streaks

    Belated thanks Wayners. I’ve fixed it now. I originally didn’t use a brush because it was a small area and thought it’d be a faff cleaning up. Lesson learned, it was much easier than paint. I put it on with a roller second time around and the Johnstones Perfect Matt went on like a dream...
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    Gardz thick streaks

    So I brush painted a new, dry bare plaster wall with Gardz. I started part way through one tin and as I got to the end I realised it was a thicker consistency. I obviously didn’t stir it properly. So now I have a wall with some thick steaks of Gardz. Should I sand it or will it the paint...
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    Quality of base coat?

    So I’ve applied Gardz to one wall to see how it goes on and works with the paint. It’s so watery (and expensive) that I don’t think I’ll be using it on the ceiling. Instead I’ll do a mist coat with the Jonhstone’s Covaplus Matt. The instructions say up to 10% water for a mist coat. That...
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    Pipework for adding unvented cylinder to combi

    I buy into that train of thought too. Don’t wanna be standing outside the shower too long waiting for the hot water to arrive
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    Pipework for adding unvented cylinder to combi

    Unfortunately the ceiling run is 15mm copper in that woolly blanket type insulation. I think it might be easier to change the pipe run than butcher the cupboards downstairs. It means it would go in a larger cupboard upstairs which is further from the boiler but closer to the en suites. How...
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    Pipework for adding unvented cylinder to combi

    Thanks. I had earmarked the upstairs airing cupboard for the cylinder especially as it was close to the en suites but perhaps I should see if it’s feasible to put one next to the boiler downstairs where it should be easier to pipe 22mm between them. However, the room is a wall of 60cm wide...
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    Quality of base coat?

    Thanks for the advice. So now I’m worried. Once all this is done I’ll be painting rooms that were initially done with Leyland Super Leytex, specifically because it was recommended for bare plaster and had high opacity. Is it going to blister and come off on the roller? If so will an...
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    Pipework for adding unvented cylinder to combi

    Thanks for the replies. So does it have to be 15mm all the way from the boiler? I could maybe run 22mm part way (first floor section) but it would mean too much tearing apart downstairs to get all the way. Alternatively, would a direct cylinder be feasible? Could that feed just the showers...
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    Pipework for adding unvented cylinder to combi

    Hello I’m working on adding a couple of en suite showers but currently have a combi boiler which I fear won’t be adequate for the increased demand. From what I’ve read it seems I might need an indirect hot water cylinder. Am I right in thinking a cold mains feed into it is heated by a coil...
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    Quality of base coat?

    Hello I’ve had a lot of plastering done and I want to make sure I get the painting right. I plan to use Johnstones Perfect Matt colour as the top coat but was going to use a matt white mist and undercoat first. Should the base coats be the same brand or at least a good quality paint (and...
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    How much ventilation under floor is enough?

    Sorry, I was reading on my phone and didn’t notice the link. Thank you, that’s very helpful
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