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Shower waste doesn't go quick enough

Discussion in 'Plumbing and Central Heating' started by Funkyfridays, 3 May 2021.

  1. Funkyfridays

    Funkyfridays

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    Right guys bank holiday and its raining, time to have a go at the shower. Both my showers upstairs when your in them the water doesn't get away quick enough and starts to come over the tray. They've always done it and I end up taking the trap inlay out of the waste or turning it off for a while when I'm in it to allow the water to drain. I'm at a point now where I'm going to sort it. Either the showers are too powerful, the fall isn't enough for the waste or the pipes are not big enough? Where would you guys start first? If I fit larger pipes will they fit on a standard fast flow waste? Also one shower needs replacing should I fit a slower shower? The showers are mixer showers, any advise appreciated cheers
     
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  3. terryplumb

    terryplumb

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    If you remove part of the trap and it all then runs fine ,the trap itself is suspect . Show pics of the trap components
     
  4. CBW

    CBW

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    We’d need to know the flow rate of the showers and possibly the waste flow rate capability. First place I would start if they’ve always done it is to check for a backfall on existing setup, check the levelness of existing tray, and make sure the waste pipe is capable.
     
  5. Funkyfridays

    Funkyfridays

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    Removing the trap used to work now it's doesn't as much even with it out so in my opinion it's either the fall isn't enough or the trap and/or pipes aren't large enough
     
  6. Funkyfridays

    Funkyfridays

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    If I fit a fast flow trap will I be able to fit a larger waste pipe or are they all standard?
     
  7. terryplumb

    terryplumb

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    1¹/² inch ( 40 mm) pipe is the norm.
     
  8. Funkyfridays

    Funkyfridays

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    The house is only 8 years old so I'm guessing it will already have 40mm pipe fitted tho?
     
  9. terryplumb

    terryplumb

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    Should be ,but who knows !!
     
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  11. Funkyfridays

    Funkyfridays

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    Can u get larger than 40mm? If so will it fit on the trap as standard?
     
  12. terryplumb

    terryplumb

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    Shower trap outlets are made for 40 mm pipe usually ,as that's all you need ! Some traps for wet rooms are 50mm, but don't fit onto shower trays
     
  13. Alec_t

    Alec_t

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    Sounds like you have a pipe blockage/restriction somewhere downstream which needs cleaning out.
     
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  14. Funkyfridays

    Funkyfridays

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    There is no blockage its always been like it
     
  15. Funkyfridays

    Funkyfridays

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    Just not sure what to try first maybe try a fast flow trap first
     
  16. Funkyfridays

    Funkyfridays

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    Can anyone recommend the best fast flow trap?
     
  17. opps

    opps

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    You said that removing part of the trap used to let the water escape faster. The fact that it used to, but doesn't now would suggest that something has changed. A blockage does seem likely.
     
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