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Old 09-20-2011, 01:42 AM   #1
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Can you use a floor drain for a toilet?


Is a floor drain just a regular drain that runs to the septic? I want to stick a bathroom in my basement. The main drain line runs out the basement wall about a foot off the ground - I was hoping I could tear up the floor and use the floor drain for the toilet.

Should a floor drain be connected to the septic? Is there anything I should do before I rip up the floor? I'm sure I'll have a lot better idea of everything once the floor is up, just don't want to tear up the floor, realize I can't use the drain, then have to re-concrete the floor.

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Old 09-20-2011, 05:49 AM   #2
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Can you use a floor drain for a toilet?


Not enough info---

Do you have a septic pit and a sump pit?

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Old 09-20-2011, 05:56 AM   #3
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Can you use a floor drain for a toilet?


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Not enough info---

Do you have a septic pit and a sump pit?
Almost positive I don't have a sump pit. I thought I just had a septic.
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Old 09-20-2011, 06:01 AM   #4
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Can you use a floor drain for a toilet?


Septic pits pump the water into the house drains--they also have a second vent pipe---

Sumps pump outside.
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Old 09-20-2011, 07:53 AM   #5
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Can you use a floor drain for a toilet?


In any case, I doubt a floor drain is large enough for a toilet.
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Old 09-20-2011, 08:35 AM   #6
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Can you use a floor drain for a toilet?


A floor drain per se, no. It has a trap not suitable for connecting a toilet to.

A toilet is its own trap and is connected to a drain pipe almost always 3 inches or larger that does not have a trap in it right under the toilet.
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Old 09-20-2011, 08:43 AM   #7
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Can you use a floor drain for a toilet?


In my area some older houses put their gray water (kitchen, laundry, floor drains) to dry wells, not septics. If yours is like this, you cannot put a toilet on it.
Also, floor drains are piped with 1.5" or 2" drains. A toilet requires a 3" drain

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