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multifit

The multifit algorithm is an algorithm for multiway number partitioning, originally developed for the problem of identical-machines scheduling. It was developed by Coffman, Garey and Johnson. Its novelty comes from the fact that it uses an algorithm for another famous problem - the bin packing problem - as a subroutine.

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  1. B

    40mm p trap to 32mm pipe

    Hi I have just fitted a new 1.5 inch waste to my bath & fitted a 40mm p trap to it. The prob I have is the exstg waste pipe is 32mm and cannot be moved. Is there a coupling that is 40mm pipe (to slot into the trap compression) one side with a 32mm compression fitting on the other (to connect to...
  2. P

    Rip off parts price.

    I recently needed a flue terminal deflector for a Baxi Duotec GA, I asked Plumbcenter for a trade price and was quoted £32 +vat. I told them where to poke it. 2 minutes of googling and I foud and purchased one on Amazon for £9.44 including vat and delivery. It arrived within 3 days and was in a...
  3. T

    UK use of pan con connectors: 1) depth of seal and 2) flange or no flange?

    I am in Thailand. Plumbing standards are poor. i had a WC installed by a "professional" actually installed 2x. The rough in was 220mm and the toilet drop was 305mm. So the problem is obvious. 1) They dont sell offsets here 2) they "engineered their own offset. 3) It obviously wasnt air...
    • tomahawk9
    • Thread
    • air connector connectors depth difficult fix flange install lead multifit pan pipe problem rubber seal soil soil pipe toilet work
    • Replies: 4
    • Forum: Plumbing Jobs | The Job-board
  4. K

    headache with bath waste fittings.....with photo's as always.

    hi guys, quick one i hope. im ready to fit my new bath, but have a issue regarding the waste pipe. the old one goes into the soil stack just infront of the bath, with what looks like pushfit connectors......this is better shown with photo's/ as it used to be with a 90 removed with...
    • k13wjd
    • Thread
    • 40mm always bath bath waste button camera connector fitting free multifit pipe plumbing problem soil tools trap traps waste
    • Replies: 7
    • Forum: Plumbing Jobs | The Job-board
  5. M

    Solvent Waste Compatability

    Hi all Is say Wickes 32mm & 40mm solvent waste compatable with Screwfix solvent waste. I know the sizes are stated the same but I'm sure I have heard of variations across makes........? Cheers...................:)
    • mmmadman
    • Thread
    • 40mm bathroom cleaning diy guide job multifit overflow pipe plumbing question remove solvent waste
    • Replies: 9
    • Forum: Plumbing Jobs | The Job-board
  6. S

    Multifit toilet connector

    I have a query regarding a Multifit toilet waste connector. I have conflicting advice, one that it is a 360 deg use item and can be used to align any height difference no matter the angle between the back of the pan and the waste outlet. The other advice is that it can only be used 90 deg or so...
    • Sgt3355
    • Thread
    • connector flow merchants multifit oil pan pipe plinth skills soil soil pipe stock toilet toilet waste trap wall waste
    • Replies: 7
    • Forum: Plumbing Jobs | The Job-board
  7. T

    43mm waste fitting

    I need to replace the shower waste unit in my ensuite but the pipe is 43mm. I have tried everywhere locally (local plumbing supplies, Travis Perkins, ScrewFix, B&Q, etc) but cannot find this size. I did buy a 40mm unit hoping that there might be enough play in it but there wasn't. Any suggestions?
  8. W

    wastes/traps question(s)

    First off, do push-fit and compression waste fittings both fit on the same pipe? (just not solvent pipe..?) Secondly, if you want to join a piece of push-fit/compression waste-pipe to a piece of solvent pipe...how would you do it? Can you, as I'm guessing you can, connect both pipes using...
  9. D

    Help needed with 1970s waste pipe

    Hi When changing a basin in a newly aquired old bungalow I had a problem as I came up against the cold supply being in Poly-York 17mm pipe. The hot was copper. Well I have overcome that problem hopefully by getting fittings 3/8 to 15mm which are Peglar Yorkshire PL140. I am adding this...
    • doppiooo
    • Thread
    • bar basin bungalow cold copper help help needed hot multifit needed pipe pipes problem supply waste waste pipe waste pipes
    • Replies: 4
    • Forum: Plumbing Jobs | The Job-board
  10. F

    Copper waste to Plastic

    Heys guys, Need some help. I have to fit a 32mm waste pipe to an "old" 1 1/2 inch copper waste, all internal piping, so cannot remove the copper pipe, so stuck with it unfortunately.:mad: I know there are some fittings out there available, but do you know where I can get...
    • FrankieF
    • Thread
    • copper fitting flexible hose merchants multifit pipe piping plastic plumbers remove waste
    • Replies: 7
    • Forum: Plumbing Jobs | The Job-board
  11. V

    Multifit 7 day timer Central Heating Timer - help required

    Can anyone help with how to operate a Multifit 7 day timer (part no 247207) on my Baxi boiler? I can set the clock and on/off times, but dont know how to select the programmes. Programmes 1-3 are pre-set, and 4-20 can be programmed in. But how do i set it for say, programme 9, timed for the...
    • Vanessa
    • Thread
    • baxi boiler central central heating system electronic help help required multifit required screen timer
    • Replies: 0
    • Forum: Plumbing Jobs | The Job-board
  12. C

    Anyone keep van stock boiler spare's

    Hi guys the title says it all really =) What if any, boiler breakdown spares do you keep on your van, I know it depends on what boilers are in your area. I just want to know as I might try and put a van stock together. Pumps,thermisters,fans,air pressure switches etc etc ????? Is there...
    • cwrplumbing
    • Thread
    • air anyone boiler boilers central heating system cheap flexible gas hose merchants mobile multifit oil parts plumbers pressure stock valve van
    • Replies: 5
    • Forum: Plumbing Jobs | The Job-board
  13. D

    Exposed Waste for roll top bath

    Ok I'd like to use a 40mm chrome pipe to attach to the chrome waste outlet on the bath to go through the floor then fix to a plastic waste trap. Question is, is this possible and do I need anything special to make the connections?
    • Drunkn Munky
    • Thread
    • 40mm bath chrome pipe compression joint connections exposed fix multifit pipe trap waste
    • Replies: 1
    • Forum: Plumbing Jobs | The Job-board
  14. W

    connecting platsic wast to lead

    hi guys Looking for some advice as not seen it before but the main wast stake to the house is internal and made of lead someone as fitted plastic wast pipe from bath to main wast stack (lead) and only used silcone and its still leaking i was thinking use epoxy putty but looking for advice of...
    • world9563
    • Thread
    • 10mm 40mm bath bathroom cheap connect connecting connector copper inside install job lead leak metal multifit pipe plumber plumbers problem waste work
    • Replies: 20
    • Forum: Plumbing Jobs | The Job-board
  15. N

    macerator teaser

    I have a tolet pan connector discharging to the sewer through the floor. I have no external stack. Can a macerator discharge be bossed into the w/c pan connector to allow the macerator to dicharge?
    • nigel priest
    • Thread
    • air connector flushing macerator multifit pan plumbing sewer smell soil stack tee trade trap valve vent water
    • Replies: 4
    • Forum: Plumbing Jobs | The Job-board
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