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Polyvinyl Chloride(PVC) is a common type of plastic pipe, used for both plumbing as well as electrical conduit. Use with the [plumbing] or [conduit] tags when your question is specific to this type of pipe.

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I'm a former facilities maintenance tech with HVAC/elec/plumbing background. I'm putting in a Goodman gm9c960803bn 2 stage 80k furnace and the tables show that 2" venting is sufficient for up to ...
Kae Ishkabibble's user avatar
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I want to replace my ~30-year old wooden cladding from my facade with PVC cladding. This is on a wall facing my balcony. I already have bought some Durasid panels. I'm in the Netherlands, if it's of ...
Designalog's user avatar
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I got a pencil-style deburring tool for cleaning up the edges of cut ABS pipes, but realized that due to the swiveling nature of the deburring bit, this tool seems to be only for the inside edge of ...
adatum's user avatar
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What is the outside diameter of 1/2 inch PVC connectors? I find several references to inside (1/2 inch) and outside (~.84 inch) of 1/2 inch PVC pipe. I even find the inside diameter of 1/2 inch PVC ...
quill's user avatar
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I have a sump pump pipe that is running through my basement cinder block wall to the outside of the house. It's a 1 1/2" PVC pipe and it's pretty snug in the hole it goes through (less than 1/4&...
Mark's user avatar
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I have a series of sinks with three vents and a single shared drain on ground level. All plumbing described here is on a single plane in a wall, with the trap adapters extending outward (toward the ...
isherwood's user avatar
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I recently repaired a sprinkler valve that had the threaded adapter to the supply side burst at the bottom of its threads. I had cut a segment of PVC beneath the sprinkler valve and made a coupler and ...
jxramos's user avatar
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I managed to get a drop of Oatey PVC primer on the dehumidifier electric cord. Does this warrant replacing the cord? Looks like it’s plastic sheathing so I’m guessing yes given primer dissolves ...
Rowhoming's user avatar
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As a corollary question from this one: Is there any reason one can't run low voltage cable in PVC pipe rather than conduit? I'm thinking for inside the attic, not outside—just for tidying up the ...
Huesmann's user avatar
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My 200 amp service electrical panel is completely bricked in next to my fireplace and the only way to route cables to it is to go from above through a floor joist right above the bricks then down ...
Qiuzman's user avatar
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My cabin has an outdoor water tank. The pipe from the tank to the house is part PVC and mostly rubber pipe. There is one location (and possibly a second location) where there is a small leak (maybe 1 ...
Andrew Eisenberg's user avatar
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We added a room with carpet adjacent to an area with PVC flooring. We don't have any more pieces of that flooring or the carpet left. What's the best way to fill the open spot to make it look nice?
Samnews's user avatar
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Every couple of years my 1" PVC outdoor water connections crack. This year I'd like to go from PVC to PEX to the spigot. I am trying to determine how to connect 1" PVC to 1/2" pex if ...
KTNY's user avatar
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My plan is to install a vertical standpipe with its own P-trap and an air gap, tying into that horizontal line via a PVC tee. I'm adding a drain for my HVAC condensate line and want to connect it to ...
byte's user avatar
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On the right is a 1/2 cpvc CTS to 1/2 stainless mnpt fitting. The left is a typical 1/2 pvc slip union. The cpvc fits into the pvc union snugly, there is some raised lettering on the cpvc side but I ...
Josh's user avatar
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I just finished installing beadboard wainscotting with a bunch of trim in my hallway. I've been utilizing leftovers from multiple projects to save money, so now I have trims and wainscotting with ...
Samil Can's user avatar
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I can use closed cell tubing to insulate PEX/copper but every 14.5" there's a 1.5" break as it travels through the stud/joist. I'm trying to make sure my recirculation line is insulated to ...
Larry Lupe's user avatar
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How do I install a PVC P-trap into this cast iron pipe?
starfighter104's user avatar
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While doing yard work, I cut a dime-sized hole in an underground schedule-40 PVC pipe (irrigation supply, pressurized when it's on) just where it enters a 90° elbow. I can see how to fix this, but it ...
John Clements's user avatar
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I am renovating my house and going to have new PVC windows installed. One of my main goals is to have better weather-endurance, i.e., avoid leakage of water when it is raining, and improve the thermal ...
Erel Segal-Halevi's user avatar
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I recently connected an inline ball valve to a 3/4" PVC threaded nipple. The line is for sprinklers and there is roughly 100 PSI of pressure in it. It's all good and happy but after inspection, I ...
SamH's user avatar
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We have a hundred-year-old wooden house that we hope to preserve both practically and aesthetically. In getting a new roof, we let the guys talk us into a PVC sheet on a flat porch roof. That's fine, ...
Jill's user avatar
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I'm adding a backup sump and will join it into the existing discharge pipe, with a check valve for the backup pump separate/before the pipe series merge. In this question I asked about bonding agents ...
cr0's user avatar
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Full disclosure. Years ago I replaced a double sided sink to a single sink with the drain in the middle. The drain didn't quite like up with the rough-in and I didn't feel comfortable doing a bunch of ...
LaVidaJudoka's user avatar
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I'm planning to make a white slatted fence, similar to the image below, but in white. I plan to use white-painted posts and galvanized finishing nails. Would it be crazy, or even bad in any way to use ...
RTS's user avatar
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I am renovating my house and consider replacing the old aluminium windows with PVC windows such as these ones, due to their better thermal insulation properties. But, I am worried that PVC might be ...
Erel Segal-Halevi's user avatar
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I'm getting ready to do a bathroom remodel and my wife and I are considering adding shiplap around our tub and half shower wall similar to the example photo below. What would be the best material to ...
SunDodger's user avatar
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I need to bury a fairly long run of underground conduit (≈150 - 200') to connect from the utility to my house. At today's prices, the cost just for the conduit is prohibitive. Why not use black ...
Leo DaVinci's user avatar
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I'm connecting 10ft 4" PVC to the outlet of a 26' long channel drain that runs across our garage. The PVC pipe connects to the outlet at 90-deg angle. The trench for the PVC wasn't dug at a ...
Minh Tran's user avatar
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I've seen numerous people build direct-connect systems to downspouts. They're all using 4 inch to the downspout. This doesn't make sense to me: why use 4 inch pipe instead of three inch pipe, ...
Evan Carroll's user avatar
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How do I fix this leak where there is no room to cut the pipe between the 45 elbow and T? I have circled the joint where it is leaking and also included another picture from another angle to show the ...
MTGarrett's user avatar
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AC drain is in a horrible position - it's leaking on my concrete. Will it cause damage? I live in hot area. Any ideas to fix? I did a bandage job. AC guy wanted to get a pump from furnace through ...
Daniel's user avatar
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A previous homeowner or plumber used too much PVC cement and there is a pretty long "drip" trail that has run down the outside of the CPVC pipe and fully hardened. For an upcoming repair, I'...
Sittin Hawk's user avatar
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NEC 334.15(B) says that exposed NM wire run along an interior wall should be protected, and they list various acceptable raceways, including Schedule 80(!) PVC, but not Schedule 40. Why does NM cable ...
Michael Bluejay's user avatar
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Please forgive me as I am not an expert. There is a drain pipe, as shown the photo that comes out in my mother's yard. From my understanding, I followed it and it collects water from the rain gutters ...
Heidi's user avatar
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Im moving the toilet across the room. This caused an issue that after achieving proper fall (which I don’t even have. I only have 1/4” per 18”) the elbow below the toilet flange is too high. The ...
Irvin Interiors's user avatar
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Advice and idea's please The location of the subpanel has been moved from the side of the house to now the front. Coming out of the attic we would have to be in the Eave straight down. There is not ...
B Brown's user avatar
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Companion question to How to connect ENT to boxes and why is the nut missing? I am installing PVC boxes and ENT with the fittings from the linked question (fitting + metal locknut). Do I need ...
divB's user avatar
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There was a 1" and 2 3/4 PVC ran to the wrong location they brought them up on the front corner of the house about a foot away from the edge . The subpanel is located a foot and a half from the ...
B Brown's user avatar
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I have a surface-mount (1/2” PVC conduit) receptacle in a metal box. Does NEC allow me to run cable through a rear knockout of this box through a wall to wire an adjacent room? Not exterior. Interior ...
Roricka's user avatar
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i need to connect my new generator to electrical and natural gas. the generator is about 5 feet from the corner of my house. Do i need to do the electrical underground or is just 1 foot above ground ...
joe durkin's user avatar
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I am very new and I accidently glued an elbow to a threaded piece of PVC. Yes, I know that was dumb, lets move past that :) Its leaking. Any idea what I can do to stop the leak? It has to be an in-...
Jeff C's user avatar
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Our basement has a openings in the PVC drain-waste-vent (DWV) system, for a washer and water softener to drain. I just realized there's no check valve on this or anything to prevent a sewage backup (...
whiskeychief's user avatar
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I am trying to remedy two washing machine leaks, one mysterious, one not so mysterious. First, the not so mysterious leak. When running a large load, water backs up and spills out the top of the box/...
Kevin Schultz's user avatar
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I am remodeling my bathroom. I'm at the point of fitting the drain in. They glued all the PVC together up to the ABS. Where would be a good place to cut? I've marked in the photo where I am thinking,...
Mr. Jintendo's user avatar
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I want to add a tee coupling to my existing AC drain line to accommodate the drainage of newly added dehumidifier condensation water. I did some research myself and debating between using a saddle tee ...
Chris's user avatar
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In my area code allows me to keep my 1 1/2 inch drain for new shower which I thought would save a lot to not have to cut out the stack and replace the wye to the toilet and present bathtub drain etc. ...
Billyboy 's user avatar
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A metal shower drain: is screwed into a PVC drain pipe. It was very difficult to remove: presumably because of the plumber's putty. Is PTFE tape effective? or will this cause problems. The hope is ...
gatorback's user avatar
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Has anyone ever encountered wax that was applied around the exterior of PVC plumbing pipe joints? Our basement has two stacks that have what appears to be the wax you would apply to a toilet flange ...
Matt Pickler's user avatar
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I have an older house and its septic somewhat failed. Leach field pipes were not glued and they all disconnected immediately after d-box so that none was going into the field. These are also very ...
Anton Polyakov's user avatar
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