wet vent

  1. puddi

    Wet vent vs. Dry vent UPC question

    Hi I'm in California, and Sec. 905.2 says that a vent pipe connecting to a horizontal waste pipe must have its entry point above the centerline of the waste pipe. However.. there's no such requirement for a connecting waste pipe. So, what if the connecting pipe is a wet vent? If it's...
  2. farmerisland

    Fixing improper venting, old house

    Hello, This is an update/new question from my last post. My home has old all copper DWV from 1960 and earlier, with even older cast iron at basement level-down, that I'm replacing with PVC. Plumbing noise isn't an issue; I really don't want to do expensive cast. The current copper has pinholing...
  3. Oswald Tay

    Help with wet vent with toilet and shower!

    Hi, I am relatively new to plumbing, and I am simply wondering it the design in the picture below is acceptable in terms of venting and wet venting? I am renovating an old basement half bathroom. The drain for the sink is already taken care of, but I am just not sure about the drainage and...
  4. James Borjas

    Are my DWV vents adequate for a new bathroom install

    Hi all, hope everything is going well. This is in WA state. I am adding a 9' x 3' full bathroom and stacked washer/dryer to a finished space above the garage. I have attached the layout of the space and my proposed plan for waste lines and vents. Is the venting I have adequate (or...
  5. Dylan B

    Wet Vent question for slab foundation

    Two questions. If I’m using 3” for toilet run and 3” vent run, what is the longest run trap to vent for that toilet? 2nd question. Can a lavatory 2.5” run into the 3” toilet run before it connects to wet vent? I have tried to outline this in the diagram. Appreciate all the help, this has me...
  6. Bceverson

    Toilet plumbing and wet vent - remodel

    Hey everyone, thanks for taking a look at my remodel and specifically toilet plumbing/ wet vent questions. The main questions are: 1. Can I: A. use a 3x3x3x3 wye with a toilet/WC on one side and a tub/shower combo on the other. I understand that the toilet should be the furthest from the vent...
  7. hbarkley

    Will my plumbing remodel work (horizontal wet vent)?

    Hey everyone, I'm at the plumbing stage of my DIY master bathroom remodel. I have some questions/concerns with how I've organized the layout for the fixtures. The information is in the pictures below. For reference, I live in North Carolina which I believe follows the IPC. I'd prefer to...
  8. Quarter Slope

    Is this bathroom setup up to snuff?

    I'm planning on tacking a bathroom remodel and would like some pro advice as to whether this is up to snuff or not. I've never done wet venting before, but apparently that is what used to be in the bathroom and I'm planning on slightly modifying. Originally there was a double vanity (on the...
  9. Clifford82

    Plumbing plan for an upstairs addition

    Long time reader, first time poster. I'm converting a small upstairs bedroom to a small bathroom. The layout is pretty standard as seen in my hand draw masterpiece below. The toilet and sink are to the right of the entry, there will be a clawfoot tub to the left. What makes this build unique is...
  10. flub1dub

    Wet Vent - Configuration A or B?

    I am grateful for your consideration. Is configuration A or B compliant with the UPC? I'm pretty sure A is but have doubts on B. If both are compliant, which would you prefer? Thanks!
  11. Russell Harris

    1950 Wet vent remodel options?

    Hello, I have a 1952 cast iron drain setup for a hall bath that uses a wet vent from the lavatory for the tub. In the picture below, you can see that the lav drain runs about 3ft back towards the tub then turns back into the 2" drain that is running from the tub. The cast iron is failing and...
  12. Rambathroom

    Adding half bath, rough-in seems to be there.

    I recently bought a house that was built in 1994. It is 2 stories with a 75% finished basement. In the basement, there appears to be a rough-in for half bath, which I plan to finish. There is a toilet rough-in (3 inch PVC) which looks good, with 12.5 inch from back wall, 15.5 inches from side...
  13. mrrauch

    Updating 1920s cast iron plumbing in new bathroom layout

    Hi all, I've learned so much by reading all the comments on this forum, but this is the first time posting a problem of my own! Looking forward to hearing some feedback, if you all have time during these crazy weeks! I'm remodeling my second floor bathroom (under NYC Plumbing Code, 2014 - ie...
  14. spidey417

    Bathroom DWV question

    Hi, first time poster! I've learned alot about plumbing here about using proper fittings such as long sweep elbows and combo wye's. I've attached a diagram of the two bathrooms I'm remodeling at my home and wanted to know if the Master WC and Hallway Tubs are considered wet vented here...
  15. Earthwares

    Is this ok?

    Will my drawing of wet vent work?
  16. K-Man

    Best way to wet vent a washing maching and utility sink?

    I inherited a small mess that I am cleaning up. The basement washing machine and utility sink wet vent into a 1-1/2" riser that goes thru the concrete slab, w/ an AAV -- I am stuck with that situation (these were installed by a plumber for the previous owner.) I don't know the DFU but if not...
  17. Wyeast

    Bathroom wet venting design feedback

    Looking for some feedback on a bathroom drain system that I am knee deep in -> I am building a large detached garage in Washington state with an upstairs living area which includes a bathroom (lavatory, toilet and shower). After many hours of reading this forum and the UPC, I've ran through...
  18. chad_w

    Wet Vent / DWV Design Question

    Have a question regarding a DWV system a plumber installed in a new build for me which utilizes a wet vent. Apologies for the crude drawing which does not accurately show length, but schematically it is correct. Key information: 1) PVC DWV System on 2nd story and spans 2 rooms. Bathroom and...
  19. Dan Park

    Wet venting a Powder room

    Hi everyone, Doing a plumbing drain job for a friend. We're trying to do a wet vent setup with one sink on the left, cleanout at the top, and a wall hung toilet on the right. The toilet is downstream of the wet vent 2" line you see coming from the sink on the left. The main drain is a 3"...
  20. Just Trying My Best

    Bathroom venting question

    I'm replumbing an existing basement bathroom that doesn't have vents. Does this diagram look right? 1. Can I add a shower vent to the end of the 3" main horizontal waste line just beyond where the 2" shower line meets it? Is this to code? 2. If the sink is vented, do I even need to add a...
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