Proper drainage for 1st floor W/D pan drilled into crawl space?


Old 04-05-14, 09:17 AM
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Proper drainage for 1st floor W/D pan drilled into crawl space?

Hoping the community can lend some expertise to a drain pan installation project I'm taking on at home...

I've got a first-floor washer/dryer room into which I'll be putting a pan and drain (drilled down through wood floors and piped into the unfinished crawl space below - but I'm unsure as to how I should install the drain pipe itself.

Considering that normal washer operation would dictate there's not a ton of water draining out regularly, is it safe to install only enough pipe to clear the subfloors/beams/insulation and let it drain into the dirt below?

Or do I run the pipe down into the ground some depth?

Thank you for taking the time to share your insight,

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Old 04-05-14, 01:58 PM
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Where would you want the water to go? Chances are, you don't want it under your house. I would try to run it out the side of the house, so it would have somewhere to go.

Don't run it into the dirt, since it would back up and just overflow.

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