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Underground drainage

Discussion in 'Plumbing and Central Heating' started by Ssan diy, 4 Mar 2019.

  1. Ssan diy

    Ssan diy

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    Hi were my dishwasher and sink waste join outside to go into my rainwater drain i want them to have there own separate drain do i need a trap or can i have them go straight to the man hole or will i get smells coming back into the house i was going to use one of these in the picture
     

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  3. Ian H

    Ian H

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    If your digging a trench to the manhole for the pipes anyway you might as well put a gully and 110mm plastic in the ground. Then your dishwasher and kitchen sink can join into that.
     
  4. just pumps

    just pumps

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    Begs the question why?
     
  5. Hugh Jaleak

    Hugh Jaleak

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    Firstly, who put the sink and dishwasher into the rainwater drain? Have you been caught and told to reconnect properly, or there is the possibility it is a combined drain, so technically there is no problem. Need more information I think please.
     
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  7. Ssan diy

    Ssan diy

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    Ok is there a better gully to buy for the job i want meaning a p gully or bottle gully
     
  8. Hugh Jaleak

    Hugh Jaleak

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    Bottle gulley is better.
     
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  9. Ssan diy

    Ssan diy

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    Well i only have one drain in my garden so my sink waste n dishwasher and washing machine also my guttering all run into that one so for appearance as im doing my garden i would prefer them to go straight in to the ground
     
  10. Ian H

    Ian H

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    I like the Osma 4D900’s. You can raise them up with 6” and add back or side inlets.
     
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  11. DIYnot Local

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