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I’m doing my new laundry room plumbing I have a utility sink and to left of it is a washing machine. I have part of the plumbing done. See photo. The lines on the photo are not to scale, Do I need a cleanout or two cleanouts and where? Does the main drain at the bottom need one and or the sink...

I'm the Houston Texas area and we added a laundry room to the back of the house. It has a separate drain that connects to the sewer line in the yard and therefore it doesn't connect to the main drain/waste/vent stack in the house. I was reading that the sink vent has to be a minimum of 6 inches...

Here is some background: I'm the Houston Texas area and we added a laundry room to the back of the house. It has a separate drain that connects to the sewer line in the yard and therefore it doesn't connect to the main drain/waste/vent stack in the house. I have a front loading washing machine...

I’m adding a laundry room to the back of the house and I’m in the Houston area. I branched off the main 4 inch sewer line in the backyard and went over to the new laundry room. Then I used a 4” to 3” 90 degree elbow to install a 3” DWV pipe vertically to go up into the laundry room 2x4 frame...

I still have a lot to learn so i’m sorry if this has been covered before but I was just thinking or perhaps over thinking something. When a DWV pipe is installed at the proper slope and then a 90 degree fitting is installed at the end so the pipe goes straight up wouldn’t theoretically the pipe...

Hi, I’m new to the forum and had a few questions. I’m planning a laundry room addition that will have a sink and washer / dryer. I think my waste line in the backyard is probably 6” maybe 4” diameter. I’ll measure again when I get home, I’ve already dug down to it where I plan to tie into it. My...

Long story short I am getting ready to install my backflow preventer on my DIY irrigation system. The main water supply is the pipe coming out from under the storage shed. It tees off to the left for the water hose bib and the irrigation is on the right. The other two PVC pipes on the left of...