Recent content by elockwood

Thanks for the information. The upstairs sink is not roof vented, it only has an AAV and there is a window directly above the sink that makes running a roof vent a bit of a challenge. But maybe that is the better approach, add a new vent to the upstairs sink either through the roof or through...

What would you recommend instead? Run a new vent to the roof to vent both the sinks?

Hi, I'm adding a basement kitchenette below our main floor kitchen. The main floor kitchen sink is AAV vented and there is a 2in drain connected to the sink and dishwasher as seen in the photo below. I'm getting confused on the code (I'm in WA state) around AAV on two floors. I've seen that...

Thanks, added a photo of the drain from the upstairs. It uses an AAV, I'm struggling to understand the code for if/how to connect the basement sink property with AAV on two floors on a single vertical drain.

Thanks, added a photo of the drain from the upstairs. It uses an AAV, I'm struggling to understand the code for if/how to connect the basement sink property with AAV on two floors on a single vertical drain.

Thanks! Must have been doing a terrible job deciphering the DFU charts I was looking at. One other question if you don't mind, this is the drain from the sink/dishwasher on the main floor and it uses an AAV. Does this create an issue with having an AAV on a single drain on two floors? If not...

Hello, I am in the process of adding a kitchenette to our finished basement but have run into a challenge with the plumbing. The basement kitchen is directly below the main floor kitchen. I had hoped to use the existing drain line from the upstairs. However, this is only a 2 in drain and based...