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how to stop washer machine back flow when it it is on spin

Home Improvement Asked by Pam Schmude on November 3, 2020

when i do a load of wash it all goes good until it drains when it drains it back flow and dont have money for a plumber so is there any help out there i did every thing to snake and flushing so please help me thank you.I even pour hot water down there and it still does that back flow

One Answer

Backflow likely has nothing to do with a blocked drain, if that is truly what you're discussing. Backflow occurs when the pressure in the drain pipe is higher than that in the washer tub, causing waste water to flow backwards into the tub. The most likely causes are that the washer is not high enough relative to the drain pipe, and that there is no air-break (AKA air gap) in the drain pipe, required by many sanitation codes.

To fix the issue at little or no cost, do the following:

  • Raise the height of the washing machine, e.g. by putting underneath it a sturdy 10 cm x 10 cm (4" x 4") frame, with depressions for the legs so they don't "walk" out during sPin cycle.
  • Raise the height of the standpipe, the vertical pipe connected to the plumbing system.
  • Add an air gap between standpipe and drain hose, if there is not one present.

Answered by DrMoishe Pippik on November 3, 2020

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