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    Arrg! Impossible airlock (combi)

    Help! Saturday afternoon I turned off my mothers main stopcock, opened downstairs taps to drain hot & cold water. Replaced two taps in a downstairs loo (took half hour or so), stopcock back on, cold water returns with good pressure but hot water only ever a weak dribble - this is every hot tap...
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    Luminaires

    Simple one... When people post a question regarding the 120off GU50 lighting scheme they plan for their kitchen someone (often BAS) posts a link to a nice square HF fluorescent fixture perhaps 10" on a side that looks like it could be surface mounted or recessed. I think I'd like a...
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    Shared Development & Roofs

    Hi, I'm after a bit of advice relating to a joint development my neighbour and I are planning. In the picture below house 1 and 2 are semi's and shown is the gap between them, which is currently filled with a rats nest of brick outbuildings, dodgy roofs and tacked on bits of plastic corrugated...
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    How likely is a faulty RCD?

    Been trying to track down the cause of one of my RCDs tripping, I've pretty much worked out which combinations of devices can cause it to trip - big contributors washing machine, hob, microwave, underfloor heating and the server/routers combo in my understairs cupboard - I can get it into a...
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    Education please... or why Neutral?

    Although I understand some of the practical side of electrics on an amateur basis I notice my head shies away from ideas around 'earth' and 'neutral' and AC power distribution, give me a battery and all is clear -point me at what comes out of the ground in my understairs cupboard and the theory...
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    Scribing kitchen end panel and the best way to cut

    Yes I'm fitting a kitchen and wishing I'd got a professional in! Anyway... I have a tall appliance unit which sits up against a run of base units and a tall trim panel to sit in between obviously the wall isn't straight, the wall panel is as expected oversize and needs to be cut to the right...
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    Maintenance Free JBs

    I had a quick look around and couldnt find a proper definition of what made a junction box 'maintenance free' and what I did find seemed to be almost implying that the manufacturers defined it as maintenance free rather than a specific standard. I dont have access to all the relevant...
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    Long waste run, AAVs and the like

    I'm putting in a long 40mm waste run say about 3.5m or so to a kitchen sink, this is fine and doesnt cause syphoning (tested). What I want to do is extend the run a further couple of meters to where the dishwasher will be located. With a standard P trap and the dishwasher outlet pushed into...
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    External stopcock?

    In the main path outside my house is a round liftable cover about 5-6 inches across revealing an access hole with some general rubble and junk inside. There is a corresponding one in front of my neighbours house. In both our houses a part of the front path has been cut away at some stage and a...
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    Jumpax in kitchen with vinyl tiles&heating

    On advice from here (which seems good) I've had a jumpax style floor delivered for my kitchen. It's not actually Jumpax it's HeatPak which is the same thing but with a separate depron insulation layer and some carbon heating elements for uncovered areas of the kitchen. The floor will be covered...
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    Attaching composite / quartz worktops

    Does anyone know how this type of worktop is attached to the units below? I'm planning on having one in my new kitchen but in one spot I'm going to have to build a bit of support for it and I want to get it right.
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    7.5kW -> 13A flex = ?

    So just how much current can a ratty old bit of flex carry? Went to put a new replacement solenoid in a relatives shower that has been installed for at least 15 years. Whoever ran the cable didn't leave it long enough and its been extended inside the shower to reach the proper connectors. Not...
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    Kitchen sink - pipe lengths & drops etc

    I've moved my exisiting kitchen sink and plumbed it in with 40mm pipe with a run length of just under 4m, the vertical drop between the bottom of the sink and the point where it enters the soil stack is around 22cm (about 10cm over the actual pipe run). The sink seems to work fine but when I...
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    Is this a bayonet cooker connection?

    Not really sure what a bayonet connection looks like - I'm about to put new flooring down as part of the ongoing new kitchen and the cooker (not hob) is in my way. If it's a bayonet type I understand I can just disconnect it and move the blasted old cooker, if its a screw in type I'll need to...
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    Floor roller hire?

    I'm about to install a heatpak floating floor (like Jumpax) with two layers of MDF that end up bonded to each other. The instructions say I can either go over hte entire floor whacking it with a mallet, which I dont like the sound of, or use a 75Kg roller - which sounds much quicker and easier...
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    Adding RCD to shower circuit?

    Having recently had some electrics done in my kitchen that required a new CU to be fitted I'm aware that the regulations mean you can end up with more changes and testing than you originally expected. So... My elderly mother has an fairly old electric showing in her bathroom, it has a big...
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    Suggestions for a problem floor?

    Hi, I'm re-doing a kitchen which has an unusual combination of floors (or unusual to me anyway) and I'm wondering what to do for the best. The house has been timber frame extended in the kitchen area and one half of the room is concrete but the extension half is a floating chipboard floor...
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