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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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 ...
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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 ...
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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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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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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
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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 - ...
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1 answer
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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
254 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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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 ...
2 votes
3 answers
104 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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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 ...
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1 answer
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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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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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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
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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 ...
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2 answers
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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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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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Can PVC pipes stand boiling water?

Can PVC pipes stand boiling water? I've tried searching online but the results vary. If no, would 3d printing these pipes(in ABS or smt like that) work?
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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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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
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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
361 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 ...
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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 answer
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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 ...
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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 ...
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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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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 ...
4 votes
1 answer
347 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 ...
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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
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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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1 answer
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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 ...
3 votes
2 answers
791 views

Old PVC pipe arches / bows out of the ground

The concern is that 30 year old PVC pipe is now arching out of the ground and will be damaged by a lawn mower or similar strike. I think they may have been deployed for defunct sprinklers, but not ...
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How to secure an outdoor 1" PVC 3ft long watering riser pipe?

How can I secure a ~3ft 1" white PVC pipe riser from getting snapped off? Riser presently is 6ft up and capped. I plan to add right angle elbow, valve, and spout (standard lawn house threaded). ...
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2 votes
2 answers
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Appropriate under sink coupling

I recently detected a small leak coming from my bathroom sink. I started disassembling and found the pipe connecting the p-trap to the wall was only loosely fitted to the wall side of the connection. ...
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Where to start diagnosing a Bryant 926TA error code 3-3 "LIMIT CIRCUIT FAULT"

My furnace was installed in 2019. Since that time, I have occasionally noticed an odd behavior: when there is a large-ish gap between the current temperature and desired temperature (say, overnight I ...
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1 answer
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Cannot open uPVC Window

Moved into a new house and a (fairly new) uPVC window will not open. I can unlock the the handle and it does not seem stuck -- but it will not open. It seem like something in the frame is stopping the ...
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1 answer
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How do I verify PVC pipes have been glued and separate them if they have been?

I am replacing an old double sink with a new large single sink plus a disposal. It seems that the old PVC for the old sink has been glued at each joint. How do I verify PVC has been glued and what is ...
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1 answer
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How do I remove a glued pvc wastepipe

I have removed an old sink from a bedroom and was looking to remove the old waste pipe. It appears to be glued to another main waste pipe, see below so my idea was to remove the horizontal pipe and ...
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Repair leak in PVC elbow

a few days ago I noticed water pooling in the ceiling of my bathroom. I pulled away the drywall to find a PVC pipe venting to my roof had unseated itself from a 90 degree elbow. After re-cementing the ...
2 votes
2 answers
438 views

How to replace a leaking PVC elbow?

The 2" PVC elbow shown in these pictures is leaking at the joint where it connects with a PVC pipe coming through the foundation stem wall at the right. What's the best procedure for replacing ...
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14 votes
4 answers
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Is there a need to replace wiring if I tripped the microwave oven when drilling through drywall?

While drilling through drywall in bathroom to install a handicap bar to studs, I later discovered that the microwave oven breaker had tripped. Apparently one of the drill holes had missed a stud and ...
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1 vote
2 answers
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Should I redo PVC that needs to be forced into position?

I'm in the middle of a bathroom remodel, and the plumber I hired redid the drain for the vanity based on a recommendation from the inspector to get it under the joist level (which I appreciated, ...
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Hot and cold 1/2 pex, straight run for outdoor shower, pvc 1.25 is that too narrow for both runs.?

Outdoor hot and cold faucets, idea was to attach 1/2 pex to faucets and run through 1 1/2 pvc piping about 12" under ground for an Outdoor sbower, before pavers are installed. Both pex lines ...
1 vote
1 answer
208 views

Water leak at outside copper-PVC pipe connection

The water supply to the irrigation system includes a connection between copper and PVC pipes, located a few inches above the ground. The PVC pipe connected to the copper pipe (blue in the picture) ...
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3 votes
2 answers
719 views

Can I connect a 90 degree tee to my plumbing that goes straight down?

I currently have a kitchen sink on the first floor which leads to a vertical pipe (illustrated in black). I would like to connect a bathroom sink to the same vertical pipe (illustrated in orange). Can ...
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13 votes
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Is it safe to use Category 1 80,000BTU furnace with 2 inch PVC exhaust?

A contractor just finished installation of new HVAC system with a category 1 furnace (model: GMES800805CNAA). He originally used a reducer to connect 4 inch exhaust to a 2 inch PVC pipe. He claimed ...
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Way to patch pinhole size hole in black pvc drain/vent pipe

I accidentally drilled through my drain/pvc pipe while installing baseboard. It was right behind the drywall. I used trim screws and it barely went through. There is a pinhole size hole from what I ...
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How do I remove broken sewer cleanout cap?

We accidentally mowed over the sewer cleanout cap. How do I remove this broken cap using tools that might be available in most households? Or by spending the least amount of money on new tools?
2 votes
1 answer
450 views

Bathroom p-trap 2in male to 1 1/4 in drain outlet

I am trying to replace pipes and trap in my bathroom sink. For some reason the drain is connected via a 2in male threaded pvc pipe. On the other end I have a "standard" 1 1/4in metal pipe (...
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1 answer
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Should an underground HDPE gas line be sleeved in PVC?

I'm building an outdoor BBQ island with a natural gas grill and side burners. My building inspector and I came up with a plan. I'm going to rough in the gas line and pressure test it and then I'll ...
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