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Why Does My Kitchen Sink Gurgle When The Washing Machine Drains? [Solved]
Water from the draining washing machine will form an air-tight seal in the pipe as it flows. A vacuum is formed, and the water pushes the air along ahead of it. This rushing air causes the gurgling sound you hear from the kitchen sink.
How to Diagnose a Gurgling Sink | Ask This Old House
Cost: $20 and Up Skill Level: Moderate Tools List for Diagnosing a
How to fix water coming up through your sink from the washing/laundry machine/dishwasher.
If you have this problem here is video to show how to easy
Howto Unclog Your Home’s Drain Vent
All of the