New sink, new house–slow drain

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    • #274898
      MasterPlumbers
      Keymaster

      Any ideas what could cause a bathroom sink in a newly constructed house to run slow. It fills up about three inches and then keeps pace with the incoming water. Then needs about a minute to drain after the water in shut off. Thanks

    • #290705

      1- Improper Venting

      2- Under sized waste piping

      3- Back Pitched line

      4- Debris in the line due to fautly construction

      5-Someone didnt use QUALITY Long Radius cast Iron and opted for the CHEAP plastic type of job that almost any home owner could do better then the average home builder or Tract house “plumber”

      6- Too much putty under the P.O. flange…. Common helper/non licensed professional mistake

      7- Not using improper supports like garbage band iron instead of Quality Clevis hangers spaces every 5 ft MAX on drainage etc. etc. etc.

      Send me an E mail and ILL give you host of other short cuts builders are known for
      [Edited by SylvanLMP on 24 April 2001]

    • #290706

      Try checking hight of popup stopper,may not be high enough,then check to make sure tailpiece is not bottomed out in trap.Five items on Sylvans list won’t cause slow drainage, If they do,then doing plumbing for 30 yrs I must be in a dream.

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