Long washer drain pipe?

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Old 06-08-18, 05:36 PM
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Long washer drain pipe?

Can I install a drain pipe to connect a moved washer to an older basement washer drain 30 feet away? If the slope is 1/4" per foot then that's 7.5", so that doesn't sound bad.
 
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Old 06-08-18, 05:43 PM
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You will also need a vent.
 
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Old 06-08-18, 08:41 PM
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You'll also need, I believe, at least a 2" line to handle the amount of water without backing up.
 
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Old 06-10-18, 03:21 AM
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so if it's going to a previously installed and vented drain, I shouldn't need another vent near the washer?
 
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Old 06-10-18, 05:33 AM
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Re-read post #2. You need a vent.
 
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Old 06-10-18, 06:30 PM
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For a 2" drain, the max distance from the trap to the vent is 60" (5').
For a 1.5" drain, the max distance is 42" (3.5')

Your locale may allow the use of AAVs (Studor vents) so it may provide a good way to vent.
 
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