Appliance drain nozzle after sink trap?

Discussion in 'Plumbers' Talk' started by icon, Nov 30, 2021.

  1. icon

    icon New Member

    New kitchen, and the fitter has used some complicated trap for the sink where the dishwasher drains into the trap through a nozzle. Trouble is, this is hellish noisy - it seems to act like a megaphone. I'm going to re-plumb the sink with a McAlpine space saver kit to free up some space in the cupboard, and either put another separate P trap in for the appliance - or a nozzle on a T after the trap. Since the sink drains through an open ended pipe into an gully outside (rather than into a soil pipe), is there any reason not to do the latter?
     
  2. terrymac

    terrymac Screwfix Select

    The appliance waste water should go through a trap ,not join the waste pipe after the trap.
     
  3. nigel willson

    nigel willson Screwfix Select

    Post pics of what he’s done . Gives us a clearer picture. Pun intended
     

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