How to Clean Out a Clothes Washer Drain Line With Cleaner


A clothes washer in your home will save you trips to the self-service laundry. But clothes washers, like all home appliances, need periodic maintenance to keep them operating at tip-top condition. One feature of the washing machine is the water drain line, and its pipe. This drains the washing machine tub of dirty water, and correspondingly can be come clogged or dirty in the process. Periodic cleaning of this drain line will prevent any clogs from forming.

Things You'll Need

  • Screwdriver
  • Bleach or drain cleaner
  • Garden hose
  • Spray Nozzle
  • Remove the corrugated drain hose from the washing machine. Unscrew the hose from the back of the washer and take it outside.

  • Place the drain hose on its side, and pour a cup of bleach or a drain cleaner–safe for use with plastic–into the drain hose. Many RV drain cleaners are good to use as they are made to use with plastic drain systems.

  • Insert the tip of a garden hose spray nozzle into the end of the drain hose where you just poured the cleaner. Adjust the nozzle setting to "stream" and spray the interior of the drain hose out thoroughly.

  • Reattach the hose to the washer, then place the hose back into the drain pipe.

  • Pour 2 cups of bleach into the washer then set the machine on its shortest cycle using hot water. Allow the tub to fill with water, then set the washer on the drain cycle. The washer will drain the remaining bleach through the hose and through the drain pipe.

Tips & Warnings

  • Do not mix other cleaners, such as ammonia, with bleach, as this combination can create a poisonous gas.

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  • Photo Credit waschmaschine image by eka from
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