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-   -   Venting Question! (http://www.diychatroom.com/f7/venting-question-131385/)

Smith1158 01-25-2012 03:33 PM

Venting Question!
 
Hello,
I've never asked a question here, but get SO much out of this board from reading other topics. This is really a great thing you guys are doing and your time replying is appreciated! :thumbup: I just had a G.C install my rough in and noticed that the laundry drain is hooked up downstream from the vent! I'm not sure, but I believe this is wrong. SO, I guess my question is does a drain hooked up downstream from a vent mean it isn't vented?? plz help

TheEplumber 01-25-2012 03:52 PM

Vent should be downstream of trap. What did your G.C. say and why is he plumbing anyways?

Smith1158 01-25-2012 05:47 PM

I thought he was a plumber and turns out he's more like a g.c. what kinds of things should I worry about happening beacuse the vent is upstream to the laundry?

Smith1158 01-25-2012 06:15 PM

I read somewhere else that the washing machine hose usually lets enough air in to where it doesn't need to be vented... is that true???:huh:

oh'mike 01-25-2012 06:35 PM

If you could post a picture of the rough in that would get the best answer---Mike---

The laundry set up should be a 2" pipe with a P- trap

plummen 01-26-2012 12:43 AM

Quote:

Originally Posted by Smith1158 (Post 834717)
I read somewhere else that the washing machine hose usually lets enough air in to where it doesn't need to be vented... is that true???:huh:

Washing machine line should definately have a full sized vent to it,but dont take my word for it . :)

hammerlane 01-26-2012 04:35 AM

1 Attachment(s)
see if this photo of a washing machine standpipe and a laundry sink rough in helps

plummen 01-26-2012 07:21 AM

That is one tall stand pipe! :laughing:
Sink is also really close to washer tie in :)

hammerlane 01-26-2012 02:30 PM

Quote:

Originally Posted by plummen (Post 835034)
Sink is also really close to washer tie in :)

Depends on your definition of really close.

I guess the laundry tub stub out could of been put in the next room(to the right in the photo) but why? How much room does someone need between the washer and sink??

How wide is your washer and how wide is your laundry sink?

No comment on the height of the standpipe though.

47_47 01-26-2012 03:08 PM

If you are replacing your laundry sink, why do you need the standpipe? Drain into the sink.

hammerlane 01-26-2012 06:22 PM

Quote:

Originally Posted by 47_47 (Post 835362)
If you are replacing your laundry sink, why do you need the standpipe? Drain into the sink.

Because for whatever reason you do not want to drain into the laundry sink.

I personally think having the standpipe is a cleaner look rather than draining into a sink but thats me.

plummen 01-26-2012 06:26 PM

Quote:

Originally Posted by hammerlane (Post 835336)
Depends on your definition of really close.

I guess the laundry tub stub out could of been put in the next room(to the right in the photo) but why? How much room does someone need between the washer and sink??

How wide is your washer and how wide is your laundry sink?

No comment on the height of the standpipe though.

Normally the tie ins should be seperated by 5' off pipe and the washer should be independent to the 3".
But as has been said a lot lately,im just a hack so check with cold iron or devil plumber666 just to be safe! :whistling2::thumbsup:

hammerlane 01-26-2012 06:37 PM

Quote:

Originally Posted by plummen (Post 835551)
Normally the tie ins should be seperated by 5' off pipe

Do you mean their respective San-T's on the main stack should be separated by 5' of pipe?

Quote:

Originally Posted by plummen (Post 835551)
and the washer should be independent to the 3"

I do not follow what you are trying to convey with the above statement.

plummen 01-26-2012 06:46 PM

Quote:

Originally Posted by hammerlane (Post 835560)
Do you mean their respective San-T's on the main stack should be separated by 5' of pipe?



I do not follow what you are trying to convey with the above statement.

Couldnt tell from your picture if that was a 3" pvc stack or not:)
The five feet of seperation is to avoid another line or fixture from being loaded up with soap from washing machine when it drains.
Is there any other fixtures above the washing machine vent tie in on that stack? :)

hammerlane 01-26-2012 10:54 PM

1 Attachment(s)
Quote:

Originally Posted by plummen (Post 835573)
The five feet of seperation is to avoid another line or fixture from being loaded up with soap from washing machine when it drains.

Again. Where are you saying there should be 5' of separation.?
I reinserted the photo and numbered all fittings so that nothing can be lost in translation. As a note the stack is 2" not 3". This is not my work or my setup. It was another post on this site about 2 months ago. I saved the photo.




Quote:

Originally Posted by plummen (Post 835573)
Is there any other fixtures above the washing machine vent tie in on that stack?

I do not know. This is not my work. Assuming that there are no other fixtures draining into the 2" stack above fitting #5 this would be OK.


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