1. TheOverThinker

    What separation is required between a bath vent & kitchen vent. Code question.

    Hi there; I have a planned remodel, with a bathroom and kitchen in close proximity, each of which will need a vent. This is in California, so the California Mechanical Code (IAMPO UMC based) and California Residential Code (CRC) apply, along with the local energy code. Question 1: I know that...
  2. Oscarmeyer28

    Bathroom group

    Can you use a 2" vent for a bathroom group ? Toilet,shower, sink. Looking to wet vent it. Tub ties into 3" trunk, sink ties into 3" trunk, shower ties into 3" trunk then a 2" vent on the 3" trunk.
  3. GoHawks

    Wet venting a shower

    I am adding a bathroom to my upstairs and want to make sure my venting is correct. I will be tying my sinks, toilet, and shower together. My shower venting is a little weird and want to make sure it works. The shower is in the middle of the room and because of that I need to run about 4 feet...
  4. 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...
  5. 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...
  6. farmerisland

    Copper waste line flat, venting lacking, and so much more

    Hey guys. I need to share a little back story to give proper context of my issue with some upstairs very old plumbing. I live in an old farmhouse that was originally Mennonite-built in 1890. There was no indoor plumbing initially but the main floor bath was put in by my grandparents at some...
  7. Sampellegreeno

    Bad drain without a vent

    Hello! Thank you in advance for any insight. I recently purchased a restaurant that is in a historic 100+ year old building. All of the floor drains work fine, except the main kitchen drain. I was told it was installed incorrectly years and years ago without a vent. Any small amount of water...
  8. 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...
  9. Dgeist

    Venting question while converting from single to double vanity.

    Greetings, all. I'm converting my kids' bathroom from a single to double vanity. The DWV stack is CI in the left corner of the room. Above is vent to roof only. The current lav drain is centered in the wall and is 1.5" copper soldered to a 1.25" brass trap at the fixture drain. The wier is JUST...
  10. Lordrobot

    Venting Question Mobile Home Doublewide

    I have a 60 x 26 ft mobile home with three roof vents. Anyone familiar with MHs knows what these vents do... THEY LEAK LOL at the roof. We are doing a metal roof over and I am interested in venting through the end walls. Essentially there are three vents. Two connect to the Master Bath and...
  11. PlumbingDIYer

    Pipe Venting Questions

    Hello, I am hoping someone can help me understand some comments and make corrections. I am trying to add a bathroom and sink directly above my downstairs bathroom and sink. I have never drawn plumbing for more than one floor before. I got the following comments back from the city for the...
  12. JoeBMN

    Master bathroom venting critique/advice

    Hi! First of all thank you for the forum and help, I have learned a tremendous amount from everyone's generosity! I am in the process of building an addition, and am currently working on my plumbing design. I have the Master Bathroom laid out, and was hoping someone could critique my venting...
  13. Knuckles

    Basement plumbing venting

    Hi all, long time lurker, great info. Currently planning a basement bathroom, vanity, WC, shower. Looking for advice on the venting. Location is in Ontario, Canada. Wondering if: 1) Wet vent is ok from WC to shower? 2) Is the 1.5" vent required for the vanity, or will the wet vent supply...
  14. Mini Me

    Is this a correct wet venting design ?

    I am not sure if I properly understand the wet vent concept so here is the question The current bathroom apparently has no dry venting. I am moving the sink from the point marked on the wall just behind where it says '2"(to be confirmed)' to the position shown in the picture ("new sink)" The...
  15. Mini Me

    Can you use PEX for venting ?

    Just to be clear I am a DIYer, please excuse the naivety of the question if it is so Is there such an option as using PEX for an 1-1/4 vent ? I have a stretch where I need some flexibility for my pipe which is going to be difficult to achieve with copper or ABS.
  16. ARC

    Toilet Trap Distance and How To Vent Help Please

    Hello. My situation is that I'm remodeling a 100-year old bathroom (78" x 90") were all the current plumbing/venting is on the right-hand side. I'd like to move the toilet to the left-hand side, which will actually put fixture spacing more in code and allow for a larger vanity sink. I'm in...
  17. Mini Me

    Trying to figure out the venting for my plumbing without opening the walls or the floor

    HI guys I am a DIYer and I am trying to figure out if I should call a pro or the projects that I want to do are in my reach. I am renovating the below bathrooms For now I am just trying to figure out how my venting is working here Below you have the charted and clear part of the piping. I am...
  18. tustind

    Connecting Washing Machine Branch to Existing Drain Cleanout in Basement

    Hi all, I have a 3 family building and there are existing hookups for washers and dryers in the basement for each unit. However the currently drain into the sump -- which goes out the window! They are not in use for this reason. I want to drain the machines properly, but due to their location...
  19. santhony7

    Venting basement fixtures with limited options

    I am re-doing my basement plumbing. Currently, all these fixtures have their own AAV because there was no wall to run a vent. However, I was able to make one recently so I thought I would go ahead and try to vent these correctly. The only issue is that I will have to go horizontal to get there...
  20. MIDan

    Power vent Hot water Heater clicking noises

    Hello, Here is my situation my water heater is an American Water Heater Company, the energy guide label says it is model PVG[1,6,9,12]250T60N(IMG 1,2). So I searched their site and can't find that model. I was guessing the numbers in the brackets were a "could be this or this" situation, so I...
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