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Old 01-05-2011, 01:28 PM   #1
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Washing machine below septic line.

Is it possible to install washer in basement if home if septic line is just below grade but above machine? Also could you install powder room on same level? Any help appreciated! Nicole


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Old 01-05-2011, 01:42 PM   #2
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Washing machine below septic line.

Yes, it's possible. Washing machines have a builtin pump, you just need to put the drain somewhere above where the line needs your house. May need a longer than normal hose.

Powder room is possible, but more tricky, as you will have to install a sewage pump and the toilet would have to sit a bit above the floor level.



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Old 01-05-2011, 03:17 PM   #3
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Washing machine below septic line.

You would just need a standard washing machine vertical drain inlet pipe, It has to be at least 2 inches in diameter and end at least 18 inches above where it ties into the main drain pipe, with a trap. The hose must fit loosely and not be sealed or taped on.

I would advise not splicing more hose onto the drain hose that comes with the washing machine, you could overload the machine built in pump. If the hose doesn't reach you would have to set the machine up on blocks if needed to reach.

You can also drain the machine into a laundry tub that is otherwise properly connected to the water and drain systems.
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Last edited by AllanJ; 01-05-2011 at 03:26 PM.
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Old 01-05-2011, 09:40 PM   #4
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Washing machine below septic line.

In both cases you would need a sewage pump. The washing machine is not designed as a lift pump. You would have to discharge into a sewage pump and have the pump push it up to the drain line.
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