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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2 answers
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What is the proper way to connect this metal pipe to the pvc pipe coming out of it?

Currently trying to fix my drain set up in bathroom sink. It’s not leaking anywhere else except where these two pipes join and only when there’s a lot of water coming through (such as full sink drain ...
0 votes
0 answers
47 views

4" Dryer vent duct melt a 2" PVC drain vent pipe?

I'm relocating my washer and dryer and the only way I can get the dry vent hooked up to the dryer is to have it resting against the PVC drain vent pipe. I've done some research and it seems like the ...
2 votes
2 answers
109 views

What is this blue stuff on the threads of the p-trap under my bathroom sink?

I had one heck of a time getting the p-trap off while replacing the drain. I'm trying to figure out if this blue stuff is some type of thread sealant but I can't find anything on google that matches ...
1 vote
1 answer
37 views

Connect washer drain lines to metal pipe

How do I best connect my drain lines to make the rubber-pvc and pvc-metal transitions water tight? I've got a washer and drawer washer combo with a drain line for each. There's no vent pipe to the ...
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1 vote
0 answers
70 views

How to stop plastic panels below windows making popping noises as they warm up

We have plastic panels below our bedroom windows like in the photo. In the summer when the sun rises they make loud popping and cracking noises as they warm up. What can we do to stop or reduce the ...
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4 votes
1 answer
72 views

Can a garbage disposal drain pipe be plumbed directly into a wye fitting?

After trying a few methods to unclog a kitchen sink, I ended up disassembling the plumbing underneath my sink. After seeing the previous homeowner's handiwork up close, I've decided to replumb a dual ...
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1 vote
2 answers
103 views

How can I bend a slanted PVC pipe to vertical?

We're using an AAV for our island drain, but before I can attach it the pipe coming out of the slab is not vertical. How do I fix that? Additional Information: I haven't attempted to measure how far ...
13 votes
5 answers
4k views

Attempt to locate buried sewer line with melted snow?

I live in a housing addition (built 1965-1980) in the barren (no trees) Oklahoma panhandle. The first thing the new home owners in this area did was plant as many trees as possible. Over last several ...
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1 vote
3 answers
286 views

Can I connect a plastic p-trap to metal pipes?

This is the current situation...(this is a an old cask iron slop sink that came with the house.) There was a leak and we thought it was the p-trap...so we decided to get a PVC one. The other pipes ...
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9 votes
3 answers
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Can I temporarily cap off a PVC drain line without solvent (during a reno)?

I'm doing a bathroom reno and will be removing the bathtub and shower, and they will be out for quite some time. Because of this, I want to cap off the 1.5" and 2" PVC drain pipes (rather ...
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1 answer
55 views

How can I fix pvc floor damage like this?

How can I fix old pvc floor damage like the one in this picture ?
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1 answer
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Relocating electrical conduit for new door

I need to install a new door in this location and I am partly there but I am unsure of the proper way of moving this PVC conduit closer to the top junction box seen in the photo. Should I cut at the ...
1 vote
0 answers
41 views

Can duct sealant be used around PVC

I have a leaky spot on my ductwork surrounded by PVC exhaust pipes and it's a hard spot to reach so it would be difficult for me to put duct sealant on it without getting it splashed onto the PVC pipe....
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1 vote
3 answers
77 views

How to remove decorative sleeve from PVC pipe?

I'm trying to remove a decorative bronze (not sure if that's the right material) sleeve that's over a PVC drain. I can turn it a little but I'm not having any luck pulling it off. I have concerns ...
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5 votes
7 answers
2k views

How can I replace this cast iron tee without increasing the width of the connecting pipes?

The problem is that this cast iron tee sticks out about .5" ahead of the studs. So this is preventing me from drywalling. The cast iron pipe at the bottom is flush with the studs. So I am looking ...
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2 votes
3 answers
455 views

How do you join white plastic (PVC) to black plastic (ABS)?

I have a drain pipe located underneath under a bathroom sink. Half of the sewer pipe is black ABS, while the other half of the pipe is made out of white PVC. There are no threads on either side. We ...
0 votes
2 answers
112 views

What should I use to fix this?

Pipe insulation keeps getting shredded by the weed wacker. I would like to fix the damaged insulation. PVC pipe is 1.5". I was going to buy some 1.5" pipe insulation and PVC tape. Also, ...
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-1 votes
1 answer
50 views

Good way to elevate and secure irrigation anti-siphon valves

My anti-siphon valves need to be 18 inches (half a meter) off the ground, due to local code, the water source and the slope of the yard. There are three valves connected to a horizontal manifold and I ...
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0 votes
2 answers
64 views

Fixing PVC pipe connection leaking from downspout

I was doing some construction and while trying to figure out where the PVC pipe that brings water from the gutters away from my home was going to, I messed up a connection/joint in that pipe. Some ...
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Kerdi Drain - Concrete Slab PVC too high

EDIT: I self-answered a question below and have a follow-up. I'll definitely be putting new concrete in. I was able to easily break up the bed around the pipe with a hammer. I measured the pipe with ...
0 votes
0 answers
78 views

Water leaking from in ground PVC in front lawn, is this normal?

We are experiencing some water leaking from the PVC pipes in the front lawn. Is this normal or do we need to address this issue? The water does not appear to smell but we can tell it’s been happening ...
-1 votes
1 answer
314 views

Leaking PVC in garage… [closed]

We have a small pvc pipe in the ceiling of our garage. It’s been dripping lately and I’m not sure if it’s because we are using the a/c more or if it’s because it’s been raining the past week. Can ...
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0 votes
1 answer
142 views

Blue powder around valve and pvc pipes

I found some bluish powder under my sink around the valves and PVC pipe. I found the same thing under two other sinks. There is no sign of water. Anyone have an idea of what this could be? I did have ...
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0 votes
1 answer
77 views

Power to garage

New to the site and I appreciate everyone’s feedback in advance🙏. My idea is using a 6/3 romex from the main breaker box in the basement to a junction box, spliced it and connect it to 4/6awg copper ...
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2 votes
4 answers
494 views

Irrigation PVC pipes broken - how to fix properly?

I have discovered that two of my irrigation system pipes were broken when an internet cable was being installed. They stayed like this for some time, including when the irrigation system was working - ...
0 votes
1 answer
61 views

PVC to ABS on vent pipe

The previous homeowner tapped into the ABS vent pipe to installed an ABS sanitary wye for a vanity he added. I'm now removing the vanity and need to install a stud where the wye is. My intent was to ...
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3 votes
2 answers
344 views

French Drain or solid PVC pipe

I live in Southern California, it barely rains here. However, I am working on my yard and just built a retaining wall and was required to use perforated 4" pvc pipe behind it.. Now I need to do ...
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2 votes
1 answer
67 views

Can I connect a vent pipe from a defunct waste drain to a different, active waste drain pipe instead?

My goal is to remove as much defunct plumbing as possible. My scenario is: Former sink in basement (removed), drains to septic under slab Current sink in kitchen, drains to septic through long pipes ...
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2 votes
3 answers
195 views

How can I protect a 1/2" white pvc irrigation pipe from extreme heat and sun?

I placed some decorative fountains in my south-facing front yard and have run a 1/2" Schedule 40 PVC irrigation pipe that runs underground to the back of each fountain so that I can install an ...
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1 vote
2 answers
118 views

Replace PVC valve cemented on a water line

I have a filtering system with a bypass and one of the valves was badly installed and it also leaks through the handle gasket. The valve is in a system that looks like this: The encircled area is ...
2 votes
1 answer
236 views

Safe to use this narrowing 2" PVC extension in shower drain?

After leveling shower floor for new shower base, I need to raise height of 2" drain pipe about 1.75" to accommodate a "no-caulk" base drain. The pipe is buried in concrete ...
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4 votes
2 answers
335 views

PVC electrical conduit vs. PVC for plumbing [duplicate]

What's the difference between PVC electrical conduit vs. PVC plumbing? Can they be used interchangeably?
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0 answers
33 views

leaks at PVC/Metal joints

Have a 1-1/2" irrigation supply system (i.e. PVC run) with at least a dozen joints (PVC to PVC and PVC to metal sections). I left the main pump on too long without water passing through (auto-...
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6 votes
5 answers
2k views

Replacing an outdoor PVC junction box where it rains a lot

There is a PVC conduit running under deck with a line for a hottub. It lies right on the ground. There is a junction box, which also lies on the ground with its cover up. It rains a lot here. (See ...
0 votes
2 answers
367 views

How to cut angled holes in PVC pipe?

I need to join different sized pipes together at a 45 degree angle, but am struggling when it comes to what methods are available. The main pipe is 75mm radius, the smaller is ~40mm. I've opted to 3D ...
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0 votes
1 answer
136 views

Can I splice hard PVC with soft PVC?

I am splicing a PVC pipe identical to the pipe on the left of the image. I will insert 3 inches and use a pair of joints like the one that appears on the right of the image. Hence I'm guessing it's ...
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1 vote
2 answers
189 views

What is the thermal limit of Schedule 40 PVC pipe? [closed]

Can PVC pipes stand boiling water? I've tried searching online but the results vary.
0 votes
2 answers
179 views

sending electrical wiring underground from house to shed [duplicate]

I have a shed about 60' from my home on my property in Northern CA. I'd like to send two 20 Amp circuits from the house to the shed via a buried 1" Schedule 40 PVC pipe. I've read that I can't/...
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0 votes
2 answers
391 views

Do I need primer for Schedule 40 PVC used for irrigation?

I am building an irrigation system. The instructions that came with the Orbit manifold say use PVC cement. Watching videos like below I see this PVC glued with or without primer. With primer Without ...
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3 votes
4 answers
2k views

Is Schedule 80 PVC pipe suitable for water main connections?

I'm helping a neighbor who is out of town. As luck would have it, the water main pipe they just had installed less than 4 days ago cracked and started leaking. When I checked it out I discovered that ...
2 votes
2 answers
793 views

Using primer on electrical PVC conduit

I'm putting electrical conduit underground and there seems to be mixed opinions on whether to use primer along with the PVC cement. There are videos showing the use of primer, and videos not using ...
0 votes
0 answers
164 views

Safely detaching 4" HDPE triplewall drainage pipe from a PVC elbow that's attached together with something

I have a French drain behind a retaining wall, which is connected to a 45 degree joint and then a drain pipe (blue arrow). Due to soil erosion, the wall has shifted and that bent the drain pipe. I ...
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1 vote
1 answer
2k views

Does PVC conduit penetrating an exterior wall require a box on the interior side?

I'm running a circuit through a basement rim joist to a PVC LB connector on the exterior of the house via a short pvc stub glued to the LB connection but just free on the basement rim joist side. Can ...
0 votes
0 answers
36 views

What yard drainage solution to choose and what do i do with existing perforated pipe?

I have a buddy who's home is on a slab, when it rains water floods an area by his drive way. He installed 3 short 20-50 foot runs of perforated pvc. One in front that drains at bottom of slope. One is ...
0 votes
0 answers
43 views

PVC Window swelling - problematic of not?

In the fall, we had PVC windows installed in the house. The living room window frame is 4 meters (13 feet) long (schema below). The frame has a dark color on the outside. Now, the first sunny days ...
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0 votes
0 answers
53 views

My contractor placed pvc for my dryer vent. I had to replace the vent cover and I have it sealed but I have a lot of water in that pipe now

30 ft to my dryer. I’m cleaning pvc and hit water at 10 feet. House is 13 yo. Why get water now and how do I fix it. I was going to vent under house and collect in a lint trap but I see that’s not ...
6 votes
4 answers
1k views

How to connect pvc to cast iron pipe that broke off right beneath concrete slab?

I was planning on adding a donut to the cast iron hub, but when I was removing the lead seal, the hub broke off entirely. Now I have a broken off 2 inch cast iron pipe right beneath the slab. How do I ...
0 votes
0 answers
128 views

Garbage Disposal Tailpiece - Do they make other sizes or solution to overcome size which is not quite right

I went to disconnect my old garbage disposal and I twisted a new one in place. The problem is when the tailpiece is attached to the new garbage disposal, the kitchen pipes are about 3/4" away ...
2 votes
2 answers
2k views

What is this grit/sand like build up on the piping under my bathroom sink?

Under one sink in particular I have this brown sand/grit like build up, but cannot tell what it is? We are in a hard-water area but have a water softener. This is in the UK if it makes any difference.
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2 votes
1 answer
641 views

How can I extend PVC Conduit already installed?

I recently bought a house with an exterior garage. The previous buyer only had an on/off panel installed on the outside with a single Romex running to one receptacle for the garage door opener. I'm ...

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