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Hello again, I am working on my addition/rebuild project and am wondering what all I need for my water supply line to my 3-bath house. Currently I have my meter, a 40’ run of 3/4” copper up to the house, to a ball valve, to a tee leading one way to a hose bibb, another valve and irrigation...

Hello again, I am told that I can have a 90º bend in a trap arm. Does the 4x3 closet elbow already count as 90º? I would like to put a 22.5º horizontal bend in my 5.5' toilet trap arm to line things up. It will vent via a 3x2 wye laying on its back. This is in a crawlspace but there isn't...

Hello again, I’m installing 2” cleanouts just below my lav sanitary tees/trap arms. Should they be test tees or sanitary tees? Or does it matter? It seems like sani tees would be better for less accumulation. It also seems like I’m overthinking this. Thanks! -Aaron

Hello, Let's say you have a toilet that drains into a 4x3 closet elbow, travels horizontally about 2 feet, and then has a vertical vent. About 2 more feet down the line there is a shower drain that will be very difficult to vent. Can you just connect the 2" shower drain to the 3" pipe from...

Hi all, On a horizontal run, is there a preference between using a wye or combo if you have a choice? The wye has less change in direction and has a shorter run, but maybe a combo has a smoother transition? Is one less prone to clogging? Or am I just overthinking this? If anything, is one...

Hi Everyone, Is it normal to run a 1.25” ABS vent through a 4x4 post that is supporting a 4x12 parallam and is a hold down? Even with a stud shoe, it doesn’t sound like a great idea to me. Is there a better way to vent this? It’s for a double lav. An AAV would be awesome but I don’t think...