DIY Home Improvement Forum banner
1 - 20 of 25 Posts

·
Registered
Joined
·
3 Posts
Discussion Starter · #1 ·
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
 

·
Premium Member
Joined
·
11,968 Posts
Vent should be downstream of trap. What did your G.C. say and why is he plumbing anyways?
 

·
Registered
Joined
·
3 Posts
Discussion Starter · #3 ·
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?
 

·
Registered
Joined
·
3 Posts
Discussion Starter · #4 ·
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:
 

·
Retired Moderator
Joined
·
25,769 Posts
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
 

·
retired elect/hvac/plumb
Joined
·
2,921 Posts
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 . :)
 

·
retired elect/hvac/plumb
Joined
·
2,921 Posts
That is one tall stand pipe! :laughing:
Sink is also really close to washer tie in :)
 

·
Registered
Joined
·
2,786 Posts
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.
 

·
Registered
Joined
·
2,786 Posts
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.
 

·
retired elect/hvac/plumb
Joined
·
2,921 Posts
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:
 

·
retired elect/hvac/plumb
Joined
·
2,921 Posts
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? :)
 

·
Registered
Joined
·
2,786 Posts
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.




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.
 

Attachments

·
retired elect/hvac/plumb
Joined
·
2,921 Posts
between 1 and 2,depending on who you ask :)
Soap from washer drain will back up into the sink
 

·
Premium Member
Joined
·
11,968 Posts
between 1 and 2,depending on who you ask :)
Soap from washer drain will back up into the sink
Don't ask me, I use the universal UPC code :whistling2: and that pic is legit under all 5 adoptions in my area. I remember that thread with the picture, suds relief was well debated, rinse and repeat.........
 

·
Doing it myself
Joined
·
3,838 Posts
Don't ask me, I use the universal UPC code :whistling2: and that pic is legit under all 5 adoptions in my area. I remember that thread with the picture, suds relief was well debated, rinse and repeat.........
I think when we were using the UPC with oregon amendments, that was one of the blue pages (amendments) and we only need to worry about suds relief on buildings greater than 3 stories or something like that.


I've never had anyone complain about suds backing up into their sink, but then again, we have harder water here than most places. No need really for that nonsense.
 

·
Premium Member
Joined
·
11,968 Posts
1 - 20 of 25 Posts
Top