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How to Seal a Washer Drain Hose

Mason Howard

Damaged washer drain hoses or problematic hose connections can result in external leaks and a washing machine that does not hold water. When replacing a drain hose, it essential to ensure that it is connected correctly to both the outlet at the back of the washing machine and the pipe that drains the water to your sewer system. Instructions for drain hose installation may vary slightly, depending on the make and model of the machine.

A hose clamp creates a tight seal with the washing machine's outlet.
  1. Unplug the washer's power cord before beginning work on the drain hose.

  2. Place a loosened hose clamp around one end of the new drain hose. Slide the clamp approximately 1 inch up from the end of the hose.

  3. Slip the hose end with the clamp over the outlet at the bottom of the back of the washing machine.

  4. Tighten the screw on the hose clamp with a flat-head screwdriver to cinch the band. The tightened band will seal the drain hose around the outlet.

  5. Insert the other end of the drain hose into the rigid drain standpipe that directs the water to the sewer system. Make sure the spot where the hose enters the standpipe is at least as high as the maximum water height of the washing machine's tub.

  6. Secure the drain hose to the standpipe loosely with a nylon tie. Don't overtighten the nylon tie or water won't be able to drain properly from the washing machine.