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Discuss Problems plumbing in Miele washing machine waste pipe in the Plumbing Forum area at UKPlumbersForums.co.uk.

  1. DOTE

    DOTE New Member

    I feel like a right plonker and hoping for some help! I have a new Miele washing machine, it was plumbed into a standpipe but the standpipe was far too small (it's only around 12 cm long and is about halfway up washing machine), this is what the fitters told me. So I thought I would plumb it into a spigot below the sink with a jubilee clip and thought that would be straightforward, I bought the new sink trap with spigot from screwfix, atatched with jubilee clip and...it didn't seem to work at all, when I looked at it - the spigot appears to be below the trap exit if that makes sense - is that why it didn't work? It came like that from screwfix so maybe that's why. And then I tried to go back to how it was but it doesn't seem to drain as well as before - looking at the end of the waste pipe just inside there is a hard black bit of plastic which when you press down seems to increase the waste flow. Is this supposed to be there and have I damaged anything? Appreciate this probably doesn't make much sense but any help appreciated. All the best

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  2. sammathias

    sammathias GSR

    Is your waste hose from washing machine running at high level under worktop before connecting to spigot on trap? Thats the prefered method of connection... As for the black rubber piece. That looks lile it ahouldnt belong there?
     
  3. DOTE

    DOTE New Member

    Hi, thanks for your help, the whole thing is driving me mad! :) I should have just got a professional in but I thought I could do it. Yep the waste line goes along the top of the machine and then down slightly into the trap in the sink next door to it. I'm just trying to decide whether the problem was the trap (see attached photo, hopefully you can see that the spigot is lower than the trap exit - would this mean water couldn't flow through?). I've taken the trap back off now which is why it isn't attached to anything. Just trying to decide if that black bit just inside the waste hose should be there or not? I tried ringing Miele but no technicians in on a Saturday. It definetely changes the flow when you press it. Don't want to mess with it if it should be there!

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  4. sammathias

    sammathias GSR

    Never personally fitted a miele washing machine. Have you removed transit bars? Take it the machine spins and works just doesnt drain??
    That trap is cheap but adequate. Some manufacturers have their spigots lower than the outlet and some dont. Dont understand what that black washer is doing in the waste house unless its a non return valve. Have you tried removing it?
     
  5. rpm

    rpm Trusted Plumber Top Contributor!!

    The trap will do the job besides it is easy to change at a later date should you wish to.
    The spigot the hose fits on to isn`t blanked off is it?
    How do you know the water flows better when you press it, I`m lost on that bit.
     
  6. sammathias

    sammathias GSR

    Believe that trap has a cap end on the spigot and not needing a hacksaw to cut it off. Maybe wrong tho!
     
  7. DOTE

    DOTE New Member

    Thanks for all your help.

    Yep the machine spins, works etc and drains when I just leave the drain hose in the sink basin, it just wouldn't drain when I fitted it to the spigot. That's when I undid all the work and refitted the original, non spigot trap and started noticing the black thing in the hose. You're right to check the spigot wasn't blanked off - it wasn't. I have a slight fear that perhaps what's in the hose was originally in the spigot but I didn't see anything when I did it (I am sleep deprived mind with kids!). Surely anything stuck in there that shouldn't be would come out under the water pressure? I could try pliers but I don't want to remove something that should be there - hence calling Miele but they couldn't really help, perhaps I'll have more luck Monday.

    When I say pressing the black thing changes the water flow, right now I've given up on fitting the spigot and simply have the drain hose draining into the sink basin so I can drain the washing machine and play with the weird black valve thing
     
  8. DOTE

    DOTE New Member

    I could go back to screwfix and take a look at one of those traps again and see if there are any caps that could have got lodged in the hose
     
    • Agree Agree x 1
  9. rpm

    rpm Trusted Plumber Top Contributor!!

    It isn`t from the trap. Again tell us what you`re pressing and how do you know for certain it helps water escape faster.
     
  10. rpm

    rpm Trusted Plumber Top Contributor!!

    Wouldn`t be Black though, be a White cap surely?
     
  11. DOTE

    DOTE New Member

    So when the waste hose is literally just placed in the sink basin the water flow out of the drain hose is pretty slow, when I put my finger up into the drain hose there is a black plastic piece which when you press it, the flow of water increases markedly
     
  12. DOTE

    DOTE New Member

    Just some images to show you why I started all this in the first place - is that a dodgy setup with such a small standpipe and also it goes beyond the trap so open to the sewers? It does smell a bit in the room occasionally. Any ways that's just an aside so you know why I wanted to try and make it a bit better than the previous owners.

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  13. DOTE

    DOTE New Member

    Now I wish I'd never started messing! I really appreciate you two taking the time to help though
     
  14. sammathias

    sammathias GSR

    Yeah white cap. Did you take a cap off the spigot originally?? If not its more than likely stuck in the hose where that black washer is...although ive never seen a spigot cap with a washer init before. As for the original standpipe.. bet it stinks in there
    ..best to cap off with solvent weld 40mm coupling and 40mm inspection eye.
     
  15. rpm

    rpm Trusted Plumber Top Contributor!!

    Sounds like a one way valve, possibly inserted into the hose the wrong way, check the manual under installation.
     
    • Agree Agree x 1
  16. rpm

    rpm Trusted Plumber Top Contributor!!

    A plastic bag taped around it will do for now.
     
    • Agree Agree x 1
  17. DOTE

    DOTE New Member

    I don't remember a cap on the spigot, i did saw the smaller bit off. Thanks for the tips on the standpipe, at least my reasons for starting this were valid!!
     
  18. rpm

    rpm Trusted Plumber Top Contributor!!

    Scrap that idea, manual I`m looking at say`s no need for a non-return valve, but I don't know which model you have.
     
  19. DOTE

    DOTE New Member

    What I could really do with is somebody from Miele taking a look at one of their pipes and letting me know if there is some sort of valve at the end, but might have to wait till monday for that
     
  20. rpm

    rpm Trusted Plumber Top Contributor!!

    Look at the manual!
     
  21. DOTE

    DOTE New Member

    Why would somebody have done such a pants installation to start with in regards to the standpipe?! Drives me bonkers how people don't just do a job properly. I've already had to replace the wiring to he tumble dryer so I guess they just did things a bit dodgy!
     
  22. DOTE

    DOTE New Member

    Sorry I meant to say I checked the manual it is no help, doesn't mention anything
     
  23. DOTE

    DOTE New Member

    It's the W1 classic, which is model number WDD020
     
  24. rpm

    rpm Trusted Plumber Top Contributor!!

    Page 65.
     
  25. snowhead

    snowhead Well-Known Member

    I think the black item in the end of the Hose is a non return valve and it's being jammed in by the spigot on the trap.

    Either don't push the hose on as far as you have been doing before tightening the clip or measure how far up the hose the vavle is and cut the waste spigot down to that length minus about 10mm. (so there's a gap between the end of the spigot and the valve)
     
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  26. rpm

    rpm Trusted Plumber Top Contributor!!

    Thought that earlier but then it shouldn`t be able to be pushed down the hose so scrapped that idea.
     
  27. rpm

    rpm Trusted Plumber Top Contributor!!

    UNLESS, the valve flap has been forced back passed the seat when the OP first fitted it to the spigot, If so a very small screwdriver and try and get the valve flap back out so it opens outwards again :eek:
     
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  28. sammathias

    sammathias GSR

    Or just rip the bloody thing out completely.
     
  29. snowhead

    snowhead Well-Known Member

    If it's not that then it's one of those thing where if any of us were there it would be obvious straight away. (no offence intended to the O.P!)
     
  30. Ric2013

    Ric2013 Plumber Top Contributor!!

    OP: You were right to meddle as your original standpipe is wrong in many ways. By all means cap it off.

    When the Miele manual refers to a non-return valve, does it mean on the fresh water side, or on the drain? I'd be surprised if the waste hose were designed to contain any kind of valve, to be honest.
     
  31. DOTE

    DOTE New Member

    Thanks for all the replies, I really appreciate it. And nice to know it wasn't acceptable as it was, as I've been wishing I hadn't started, so at least it's been worth doing. I've read the manual a few times and to me it's just not super clear, it would be great to get Mieles opinion or somebody who's seen a similar hose. But it's reassuring to hear that such a valve is unnecessary from what I've read. I'll have another mess with some pliers on said bit of plastic - from what I can see it's actually a fairly big bit of black plastic about an inch or so in length. It hardly moves. Once I get a bit of time I'll try putting the spigot trap back in and having a play to see if I can get it to work. All your advice really helpful thanks very much
     
  32. DOTE

    DOTE New Member

    By the way rpm I completely agree I am sure I have done something to said bit of plastic when I put it on the spigot, I did ram it on a few times before I decided to cut down the spigot to size. The moral of the story is don't start a job when knackered after the kids in bed!!! :)
     
    • Agree Agree x 1
  33. rpm

    rpm Trusted Plumber Top Contributor!!

    Really want a photo of it when you can.
     
  34. DOTE

    DOTE New Member

    Aaarrrgghhh it's driving me mad. I have the waste pipe just free in the sink, so no issues with spigots etc it's simply a waste pipe in a sink basin. Drains super slow, but if I press the black thing in (it moves around 3mm) I get full, super fast flow, let go and back to a trickle. The black bit is definitely a solid bit of plastic, maybe an inch or so with a tiny gap round the side. I've even tried to pull it out wth pliers but no joy. I think time to admit defeat and see if Miele can come up with anything on Monday or even send someone out as I can't see what I've done to make it do this. Thanks for all your help will sleep on it
     
  35. DOTE

    DOTE New Member

    A photo of which bit rpm?
     
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