dwv

I need to do a DWV inspection test and need to stop up the system at a backwater valve. What is the best/easiest/cheapest way to block flow at the valve? Do I use something like a clean-seal pneumatic pipe plug to keep the valve’s flapper from opening? Any advice would be a huge help

I'm working on my first pluming project and had a quick question on how to fix the drain slope on some short horizontal pipes. The first is a 1 ft section of 2 in pipe for a vent running in the wall. It's sloped slightly backwards right now, but is pretty close to level. Is there an easy way to...

We have a new house under construction, small project for my retirement. I made a short video of the layout, I would greatly appreciate anyone telling me what part of the venting system would violate code: Small change to the video - the inspector said that I needed at least 3" of natural...

Hi all, and thanks in advance for any help. I'm having trouble finding replacement parts for some damaged adapters. We have a two-basin sink, so a simple NPT x hub adapter isn't ideal, for maintenance/easy removal reasons. It is a gasketed compression fitting, wherein there is a lock nut...

Hey there- I am looking to get some opinions/advice on an issue I have encountered with my DWV pipe where it meets slab in my garage. Backstory- I tore out some drywall in my garage a week or two ago after finding a small puddle of water that wouldn't go away and some mold on the drywall. I...