Slow Drain

Old 09-12-05, 08:02 AM
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Join Date: May 2004
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Slow Drain

I have a strange ( well maybe not strange ) problem. I have a utility sink in the laundryroom. That the Washing machine drains into. When I run the faucet, it drains fine. However, when the washing machine drains, it quickly fills up the sink, and then doesn't drain ( actually drains very slowly, like 20 minutes to empty sink ). Is this a clog, I've cleaned out the trap, and ran the snake a good 20+ feet down the service port.

Or could it be a bad design on the trap. The horz run for the drain is 8" off the floor. The sink drain goes strait down 2 1/2 - 3 feet the the elbow almost touchs the floor then comes up to the horz run.
Old 09-12-05, 06:22 PM
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is the horz run going down hill at all
Old 09-12-05, 06:48 PM
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Most sink drains are 1-1/2". Most washer drains are 2". Washers put out a high volume of water very quickly. I would consider putting a "knee-high" nylon over the end of the discarge hose. Washing machine water contains a lot of lint that can clog drains. Cheap insurance at the Dollar Store.

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