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Questions tagged [pvc]

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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1answer
27 views

Azek trim on bay window box

I have a bay window with a (I think) classic 3-sided trim bottom. The trim is rotting and I plan on replacing it down to the studs and back. So studs, exterior ply, tyvex and flashing, then trim - ...
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52 views

Is it inadvisable to reuse PVC? (Sch-40 white stuff)

I have some salvaged PVC (Schedule 40) from a run in the irrigation system that I'm rebuilding which is now unused - I'm considering reusing it in the rebuild of the system. Is this foolish? The ...
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121 views

Will a PVC pipe crack in concrete?

If a plastic PVC pipe is totally covered with cement? Does a minor crack/s in the concrete will also crack PVC pipe or damage it? I mean cracks such as due to very minor seismic movements?
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Would Replacing an Existing 3/4“ Water Main Line with 1” Improve Overall Volume/Flow to House (GPM)

After my own inspection and talking to the utility company I have the following: The meter (near the road) is 5/8" x 3/4". From what the water company told me - this is the most commonly installed ...
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3answers
107 views

New vanity doesn't leave room for old J trap - how should I run the new pipe?

I am ready to cut the drain pipe behind the wall with the 12" ruler laying on it (see pics) and raise the height of the vanity's sink drain, but I'm not sure the best way to do this. I want to raise ...
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1answer
30 views

(How) Can I reuse this PVC 4-way

Some contractors broke my irrigation system and I'm in the process of repairing it. One of the connections to a PVC 4-way junction had a piece of schedule-40 PVC broken off inside it. As luck would ...
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30 views

Keywords or Names for this Part

I am trying to embed a load-bearing anchor in a 1-inch foam sheet. The most natural solution would be some kind of threaded plastic pair that fits together, with one end being able to have a rope ...
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1answer
75 views

How can I protect my underground sprinkler PVC pipe from tree roots?

This is a follow up to a previous problem I had here: PVC Pipe for sprinkler system broken in multiple places Does anyone have any suggestions how I can install underground PVC pipe and protect it ...
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53 views

How to convert bathtub drain to shower?

I have a 1960's house. I am renovating a bathroom, removing bathtub and putting in shower. I will be using Schluter Kerdi-Shower for conversion. I would like to know what parts of that iron drain ...
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1answer
38 views

PVC Pipe for sprinkler system broken in multiple places

Roughly 2 years ago I posted this question: Need Sprinkler Cracked PVC Pipe Repair Suggestions There was a lot of good suggestions, but now the issue has gotten much worse. In the image below I'm ...
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1answer
199 views

Is it OK to drink water from newly-cemented PVC pipes?

It has been my habit to use Christy's Red Hot Blue Glue to mend PVC pipe. I am happy with the performance and the repairs turn out very well. I also note, with great interest, that it is rated for ...
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1answer
131 views

Can (must) P-trap be directly underneath the drain in stand-up shower stall?

Can (must) P-trap be directly underneath the drain in stand-up shower stall? I'm roughing in a 48"X36" one piece shower stall with a center drain. In the photo I've just got it dry fit. This is the ...
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2answers
204 views

What is this pipe in my garage for?

I measured it and it would come out under the cement where I approximately marked in red in the next picture. The main house sits on the other side of that cement walkway. My only guess is it has ...
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1answer
59 views

ok to run PVC pipe behind gas meter?

I am considering installing a radon mitigation pipe system in my home, but the only area where I could reasonably have the pipe exit my home is crammed with all my other utilities. The best spot I've ...
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1answer
69 views

What material is this pipe? Options for new 2" Union

I'd like to go 2 inch pvc into my new pool pump from that valve. What are my options? This pipe is 1.5 inches, not metal, but I'm not 100% that is CPVC either, but I'm not an expert. I have a 2" union ...
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76 views

Are bends allowed in a toilet drain above the 4x3 reducer?

I am finishing my basement, which was roughed in by the builder, but I need to move the toilet, since I lost 8" of wall framing in front of the main sewer line, the vanity would be stupidly narrow, to ...
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1answer
68 views

Do PVC glue, cement leave traces?

Before a month, I bought a domestic air conditioner for my bedroom and the person who came to install it, used somewhere PVC glue with that strong toxic smell (you can smell glue without to have to ...
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42 views

Tapping into existing 3/4“ supply and 3” drain to add washer

I understand there are a lot of variables to something like this, so I'm going to try to provide enough detail that people can at least understand the question here: I have a washer/dryer I'd like to ...
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2answers
46 views

French Drain PVC Size

Will constructing a french drain still work using two inch perforated pvc instead of the recommended four inch perforated pvc?
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1answer
72 views

Trouble fitting plumbing under new vanity

I am trying to install a new vanity and have run into some trouble trying to fit the plumbing needed under the sink because: The vanity is small The plumbing goes directly into the floor All the ...
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53 views

DIY Pool Lift designs & successes?

My dad suddenly has serious mobility issues keeping him from his beloved pool. I’m visiting this week and trying to see if there’s some diy pool lift of any design I can build from stuff at Harbor ...
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1answer
40 views

How to connect 4” PVC to broken sewer line?

I have a piece of broken cast iron pipe with almost no overhang. Wondering what are my options here?
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1answer
41 views

PVC leak under slab in outdoor waterfall feature

I've searched the internet for a solution to my problem and I can't find anything that even references a potential fix. Maybe one doesn't even exist, but I have to try, right? So, here is my problem....
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1answer
46 views

Dealing with a broken toilet flange on PVC pipe

So I'm about to tile my bathroom floor but the toilet flange broke and can't get it out I tried with a chisel and hammer but I think I got the pipe to so how can I fix this situation I got here
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1answer
69 views

Where to find plastic corner pipe cover

I'm looking for a plastic box with 2 open sides that can be attached to the wall. Maybe about 8x8 or 10x10. I need to cover a PVC vent pipe that curves in the corner of the wall. I just can't find it....
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396 views

Can PVC Conduit be Used on an Unfinished Basement Wall?

I'm interested in installing outlets on my basement wall, and I saw that PVC conduit is available. Is this acceptable to use PVC conduit on unfinished basement walls?
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3answers
90 views

Moving forward with a hacked-up toilet flange replacement

I noticed water leaking out from under a toilet, so I decided to take a look, hoping that it was something simple (wax ring or even a hairline bowl fracture). The toilet came out with (almost) no ...
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1answer
26 views

Minimum Size of First 90 Degree Fitting Downstream of a Sink

The Building code for Wisconsin states this: The minimum radius for the first 90° fitting downstream from a trap serving a lavatory or sink shall be 1-3/4" for drain piping 1-1/2" in diameter. ...
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1answer
369 views

PVC pipe end cap fitting, with center hole and offset hole?

Is there such a thing as a PVC pipe reducer end cap fitting, which has a center hole and an offset hole? The purpose of the center hole is to insert a small diameter straight PVC pipe through the ...
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2answers
67 views

Detecting concealed PVC water pipe with ultrasonic sensor

I'm planning to install some glass shelves in one corner of my washroom. The problem is, there are some plumbing pipes snaking around underneath the ceramic tiles and I risk punching holes while ...
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2answers
300 views

How to fill a narrow crevice around my toilet waste pipe with concrete?

When I replaced a toilet, I discovered that my toilet flange was not actually secured to my concrete subfloor at all and had come out of level, causing a leak between the bowl and the floor on the ...
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1answer
40 views

Spilled pvc primer in water softener tank?

So, let me start by saying I’m an idiot. As implied by the title, I spilled pvc primer in my water softener tank. I was installing a whole house filter overhead and doing the piping and knocked it ...
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1answer
119 views

What purpose does this PVC pipe in my crawlspace serve?

I was cleaning the crawlspace under the house and discovered two 3/4 inch white PVC pipes that run across the crawlspace buried under ground (4-8 inch deep) and terminate at the perimeter foundation ...
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2answers
57 views

Waterproofing between wall and new sink vanity

We just installed a new sink vanity and there's a roughly 1 inch gap between the bottom of our mirror and the top of the sink where the wall is exposed. We'd like to protect the wall back there from ...
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0answers
124 views

Minimum Concrete Thickness Over PVC After Rough-In

I just has some plumbing roughed in for my basement. The plumber did an okay job but for some reason routed the drain pipe for the sink under the area where my shower will go. This would't normally be ...
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1answer
161 views

What PVC fitting can I use to replace this cast-iron wye?

I would like to replace this old iron cast fitting. See pictures. Do they make this type of fitting in PVC? Any ideas on which fitting i can use to replace it?
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1answer
67 views

Individual conduits for each phase to reduce amount of stud being drilled

I'm trying to do some improvements on an existing structure that leaves me little room for maneuvering. I'll break it down as simply as possible. I have two large PVC junction boxes (completely ...
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1answer
259 views

Is is okay to run 4" PVC drain pipe on the outside of a house?

I have to run 4" drain pipe for the washer that is on the second floor, but, the building being old and all, I wouldn't want to rip the floors, instead, I was thinking of running the drain on the ...
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1answer
596 views

PVC conduit into PVC box: Can I make it watertight when using a threaded fitting? Are sealing locknuts allowed?

I have some 2" PVC conduit coming out of the ground and into a PVC box where it enters with a terminal adapter and held in place with a locknut. I intended to use a sealing locknut to keep the box ...
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3answers
998 views

What is this PVC pipe in my basement

I recently purchased a newly built house. It has an unfinished basement. There is a white pvc pipe that comes from the floor. It is about 4 feet tall. Out of it comes a sewer smell. Some days worse ...
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2answers
106 views

3 inch pvc in concrete

I have a 3 inch pvc drain pipe i have to move 4 inches that is embedded in concrete. I have hammered out the concrete and now im ready to cut into the line and put a T coupling in for a toilet. My ...
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1answer
250 views

How to connect plumbing to a trap adapter which is already installed?

I'm replacing the drain plumbing from my bathroom sink, and there is currently a 1-1/4" male threaded PVC fitting coming from the wall, which I assume is a trap adapter that was installed at some ...
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2answers
228 views

What is this pipe sticking out of the ground?

This is connected to my sprinkler system. It has a crack in the side and leaks when the water to the sprinkler system is turned on, even when the sprinkler system isn’t running. Does anyone know what ...
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0answers
66 views

PVC pipe back of 2story home dripping water

Have a 2 story home on basement foundation. Have 2 AC units one in each side of house both have a pvc pipe nearby which I imagine is for condensation. In the back of the home near the basement door ...
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2answers
4k views

White PVC pipe for electrical wiring

I am running about 20 feet of 8 AWG 4 wires through 3/4 inch PVC piping for a electrical power generator (transfer switch to L14-30 outlet). Wanted to know, codes aside, if it is fine to use white ...
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1answer
99 views

How do I tighten an out-of-reach PVC pipe fitting?

A PVC pipe got pulled out of its fitting under my shower (don't ask!). It's been pushed back into position, but is out of reach by hand and not tight (causing a slow-drip). Above the pipe is a shower ...
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1answer
478 views

Gap (2") between PVC conduit and exposed foundation (exterior)

I can't figure out how to get a good photo of this setup, so I'll try to describe as best I can. I'm moving/replacing the existing overhead electric cable that runs between the main house and the ...
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2answers
8k views

How many 14/2 romex cables can I put in a 1/2 pvc conduit?

How many 14/2 romex cables can I, according to NEC (or safely), put in a 1/2 pvc conduit? For background: the conduit will be buried until surfacing in a junction box; using burial-rated "romex"black ...
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1answer
96 views

How to calculate length of roof sides when distance across is known? a2 +b2 = c2?

I am building an A-frame PVC greenhouse. I plan to make the pitch 45 degrees for each side. I have a 10 foot gap across from each side of the wall. How do I calculator the exact length of each half ...
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1answer
533 views

PVC to CPVC transition

Is it OK to solvent weld PVC to CPVC? I have a Schedule 40 PVC line outside a building and need to transition to CTS CPVC for indoor plumbing (because code). I'm wondering both from a practical (will ...