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    New Siphon for Old Cistern?

    Hello folks, well it's been many years since I posted here.... I've had a look at similar posts, but can't find anything on the exact issue that I have, so here goes: I have an old Shanks low-level cistern and I need a new siphon to go inside it. The bottom hole is 2 1/2 inches in diameter and...
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    Wiring for a 15kW oven

    Hello gents - I would like to hear suggestions for best practice in wiring a 3PN Lincat commercial oven, model ESLR9. L1 & L2 draw 26A/6000W each and L3 draws 14A/3200W. There is a 3-phase supply in the shop and the owner has run 2 x (2x2.5mm2) T&E to supply 2 outlets next to the oven to...
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    Double hard drive failure!!

    Hi - am sure this is not the first post on this subject, but anyway... I have a Windows 2000 PC which has four IDE hard drives: one for OS , one for video, one for audio and one for general backup. Recently I discovered that the latter two drives had stopped responding (when I try to...
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    BIOS disaster!

    Hi gents- Now it's time for my Windows XP PC to start giving me gip, it seems... OK, it's an Intel P4 3.2GHZ chip on an Asus P4C800-E Deluxe mobo. Went to switch it on yesterday and got the following message as it tried to load the BIOS: "Bad BIOS Checksum. Starting BIOS recovery. Checking...
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    Trying to fault find Honeywell Y-Plan system

    Hi- I am trying to get to the bottom of a problem with a central heating Y-plan system. Basically, when CH and HW are both on at the programmer, the ch temperature rises uncontrollably, with the room stat displaying eratic behaviour. I have checked the voltages being output from the various...
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    Looking for book recommendation

    Hi - does anyone know of a good book (or website) that clearly explains central heating 'interlock' theory, with particular attention to the wiring of room stat/cylinder stat/programmer/3-port valve/boiler/pump/wiring centre? I have some books that touch on the subject and I have some...
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    CH pipes under floor

    Hi- I have just finished adding a radiator to a room that has an existing one. The existing pipework was layed directly under the floor in shallow notches in the joists. I ran the new pipes the same way (15mm copper flow & return laid across large joists notched about 25mm). This means, of...
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    BIOS setting question

    Hi In my BIOS (Asus A7V133 with Award BIOS V6), under Boot Settings, there is an option for 'primary VGA BIOS'. The options are PCI card or AGP card. The default setting is PCI card, but as I have an AGP graphics card, surely this should be set to AGP card, or does it make any difference...
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    For Admin: Can I change username?

    Hi - possible to change my username (and still keep my post count)?
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    Quick question about cables and filler

    PVC sheathed cables: do they like interior filler (Wickes' brand, for example) or will it eat into them? I know cement is a no-no because of the lime and plaster is cool, but 'filler'...? My feeling is that it's Ok, but feedback welcome!
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    Too much IRQ sharing?

    I have just been rebuilding my trusty old Asus A7V133/Athlon 1.2 PC which was originally designed to run Matrox RT2500 / Adobe Premier video system. OS is Windows 2000 SP4. This time round I am using onboard sound (AC97 - as opposed to separate sound card) and a WinTV card. I am still using...
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    Best practice for this light?

    I have just been asked to upgrade a Zone 2 bathroom light. I took the old one down to discover 5 grubby cables (loop in & out, switch, fan, mirror light, latter two from switched feed) all connected with plastic connector blocks and covered in tape. This arrangement was stuffed into a very small...
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    Hardware malfunction - help please!!

    Hi - I am a fairly experienced PC builder/upgrader, but have run into a 'blue screen of death' problem which I need some help with. I am reinstalling Windows 2000 on an AMD PC, which has been running it fine up till now. I am installing it on a 120GB hard drive that has been partitioned...
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    electrical lay out software

    Can I come in here and ask if there's a program specifically for drawing domestic wiring layout, i.e. showing the position of lights, sockets, etc within a room using BS symbols? Ta. __________________________________ lynda, moderator no, (forum rule 20) but I have split your post
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    Fire hoods required?

    Hi - I have fitted recessed downlighters in ceiling of kitchen in small flat in block. It is top flat, so only loft space above. I have cleared the space around the lights of loft insulation, but am wondering if fire-retardant hoods are a requirement here. Thanks in advance.
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    Joining cable in trunking

    Guys - I wish to make connections between 2.5mm² T&E and 2.5mm² PVC insulated single core (ring main) and 1.5mm² T&E and 1.5mm² PVC singles (lighting) circuits within steel trunking (which is, of course, bonded to earth). This is a domestic job that has some circuits - grouping factors taken...
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    Supplementary Bonding time again

    Well, there hasn't been a post about this thorny subject for a day or two, so here's mine... Having looked at all the relevant guides, I still find the subject confusing. I have fitted an electric shower (with 45A DP isolator & pullcord), new zone 3 ceiling light and SELV fan (transformer and...
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    Does electric shower require RCD?

    Hi - I am planning to fit an electric shower in a flat. The fuse board is one of the old rewireable types, but can't be easily updated as the flat is wired in pyro (MIMS) cable, so there's absolutely no slack. However, there is an unused way that I can wire into with 10mm2 T&E for the shower...
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    Do I Need to Bond?

    Gents - I have just fitted a kitchen with metal sink, copper pipes to taps, with copper fittings on pipework (i.e. no plastic). I have run an earth equipotential cable from CU to water main stop-cock, in kitchen cupboard. Do I still need to put additional bonding on pipes below sink?
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    How do I take scratches out of...

    Fitting a kitchen with an oven in brushed stainless steel (at least that's what it looks like to me) and I noticed some fine, but quite visible, scratches on the front panel. Today I picked up some ultra-fine steel wool and tried rubbing over the scratches very gently. However, the scratches...
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