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Old 04-21-2017, 12:14 AM   #1
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Connecting Condensate Line to Soil Stack


Ok,

I have included the picture below.



Pretty much what I want to do is connect that 1" condensate line to the 4" stack. This is in the basement and does not vent out to the roof, it simply connects to the entire house and it's the last point before it enters into the concrete slab and into the septic.

My thinking is I should simply be able to cut into the bottom portion of that pipe and put a WYE in there, then put a heavy duty trap in there. I want to "air-gap" it some way so that the condensate line is not sealed with the pipe. I guess my question is if this is against plumbing code? Is it possible that I could screw something into the cleanout plug?

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Old 04-21-2017, 09:47 AM   #2
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Re: Connecting Condensate Line to Soil Stack


A proper way to do this to put a condensate pump on the floor. Then pipe the waste to a sink or clothes washer box.
To use the stack would mean cutting in a tee, adding a vent and a trap. Also an air gap assembly.
I take it there are no plumbing fixtures in the basement?

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Old 04-21-2017, 12:12 PM   #3
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Re: Connecting Condensate Line to Soil Stack


Ok thanks, I understood the idea of a pump. But why would an vent be needing for a simple trap. There are two rough in plumbing drains in the basement floor. One underneath the toilet in the basement bathroom and one at a nearby utility sink.

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Old 04-21-2017, 12:41 PM   #4
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Re: Connecting Condensate Line to Soil Stack


Quote:
Originally Posted by steppinthrax View Post
Ok thanks, I understood the idea of a pump. But why would an vent be needing for a simple trap. There are two rough in plumbing drains in the basement floor. One underneath the toilet in the basement bathroom and one at a nearby utility sink.

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A trap without a vent has the possibility of blowing out from air pressure in the stack as upstairs fixtures drain.

Using the trap idea you propose- You can connect to toilet vent on that floor. Or drain it into the utility sink
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Old 04-21-2017, 04:38 PM   #5
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Re: Connecting Condensate Line to Soil Stack


You have no sump pit to run it to? If you do run to it.
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Old 04-21-2017, 05:11 PM   #6
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Re: Connecting Condensate Line to Soil Stack


Correct me if I'm wrong, but a trap without a vent can also get siphoned dry.

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