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For questions generally relating to hollowed out materials used to convey a liquid, gas, or other fluid substance.

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1answer
34 views

Drain pipe P trap leaking under sink

I removed the P trap and pipe from the old kitchen and tried to reuse it for the new kitchen remodeling: However, it's leaking water at the connection from the white pipe to the metal P trap: I even ...
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0answers
43 views

Relocating sink drain that goes behind the cabinets?

We just moved to a new house and I just finished taking the kitchen cabinets off and realized that my sink drain is going behind the cabinets (why?). My goal is to make it go through the floor (see ...
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0answers
26 views

160mm pvc pipe running through a deep concrete pour - will it crush?

I have am unusual situation. I had to use 160mm pvc pipe to create a wide duct for services connections that must pass about 500-660mm deep through a new footing that's about to be poured. The pipe is ...
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0answers
22 views

Laying down perforated pipe where a fence is to be built on top

I need to install perforated drainage pipe in a line where I have no choice but to put fence posts in also. Can someone advise on a method to ensure the fence post is secure, but the 6" perforated ...
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2answers
59 views

Where to turn cold water off inside the house?

This is somewhat a newbie question as I just bought this house. I assume design of plumbing must be common. So I wonder if I miss something. Below is the "green" valve to shut off hot water into the ...
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0answers
34 views

Connect washing machine drain pipe to existing outlet

I am trying to install a washing machine next to our boiler. I don't have an SDS drill so I'm trying to get away with not drilling a hole in the cavity wall. There's an existing hole through the wall ...
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2answers
80 views

Keys lost in a water evacuation pipe [closed]

I lost my keys right in front of my building, in a water evacuation pipe of approximately 7-8 centimeters of diameter. It goes vertically in the ground for about 1m and then bend to approximately 90 ...
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0answers
29 views

Is 1/2" flexible gas pipe adequate for a 22000 BTU clothes dryer?

I have 1” black iron pipe running just shy of 40’ to a manifold. The manifold then has one run of csst coming off it to my furnace. I then have 4 more ports I can run off for new appliances as I ...
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4answers
112 views

How to attach steel cable to threaded rod [closed]

I am trying to get an industrial look to a desk unit that has threaded rods (M20) at the corners, using steel cables. I want to get an 'X' using the cables, but not sure how to attach the cable end to ...
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1answer
26 views

Lost pressure after “clunk” sound in pipe

Kitchen sink faucet seems to drop to near trickle when the water is turned on full (Cold side ... Hot side has always run very slowly). This is not a new installation and there has not been any other ...
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1answer
18 views

can you use a pvc pipe cutter to cut waste pipe

When piping up the shower waste, it's inevitable you willl need to cut the pipe shorted at some point. When I was training to be an electrian, I used something similar to these to cut conduit. Would ...
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2answers
24 views

Proofing Heating Pipe Passage Way

I am living in a multi-family house which happens to be an old building. The person living under my room is a chain smoker. Unfortunately, the smoke is smellable in my room, even if I close the window ...
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0answers
27 views

How to identify what outdoor pipe is for sprinkler system?

I am planning to add a shut off valve from a hose bib to the sprinkler system. I am having some difficulty identifying what the pipe to the left (image below) is or what it does! Seems random - but ...
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1answer
47 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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2answers
47 views

Best way to join two vertical aluminium poles

I currently have an aluminium (aluminum?) pole that's about 1"1/8 across, and it's embedded into concrete. I need this pole taller, and can acquire exactly the same spec pipe in any length to do this. ...
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1answer
66 views

Why would a rough in pipe be under the concrete?

I'm planning to install a three piece bathroom in the basement. We have 2.5" and 3.5" rough in pipes sticking out, while 2" pipe was fully in the concrete. I had to break the floor to see if it was ...
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0answers
242 views

Pipe Dope (or Tape) on a Propane Cooktop

I have a Koblenz propane cooktop in my cabin and it recently developed a gas leak. Here's a video of my soap test https://youtu.be/uhKAhUsWaUY. The manufacturer says I should use pipe dope (or tape) ...
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1answer
31 views

Reinforce aluminum pipe attached to wood posts in fence

I recently installed a fence where the posts are 4" x4" pressure-treated wood with an aluminum pipe rail, similar to this: fence and this, but without the wood rail: fence with wood rail I use a ...
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0answers
59 views

How can I finish a plumbing cleanout in my basement floor?

I am looking for some advice on what do with the main line cleanout in my basement. Currently, we have a hole in basement floor where the mainline and cleanout run. We plan on cleaning out the main ...
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1answer
29 views

Under Floor Heating (Wet) - pipe coupler under the screed?

I want to fit UFH to a whole house - normally it would be an easy process if one could just move out and live somewhere else as the whole house gets gutted and re-done. However, ideally, i want to fit ...
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0answers
27 views

dampness at threaded brass joints

I have 4 water outlets with taps put together with several brass joints all sealed with hemp and pipe compound. They are not dripping but there is still evidence of dampness when you put your finger ...
1
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1answer
42 views

Remove stuck tailpipe from sink

I want to replace my kitchen strainer and to do this, I'm trying to replace the tailpipe - but it's stuck. I was able to unscrew the nut all the way I believe. If you look at the picture below, you ...
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1answer
40 views

Capped galvanized pipe in the basement

I bought and old diy house. Basement is partially developed. The room in the back (close to clay and undeveloped area) there is a galvanized pipe coming and capped off at the end. I can’t figure out ...
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1answer
69 views

Moving a drain pipe

I am wanting to put in a single sink and move the pipe over 3 or so inches to make room for a dishwasher to the left, is this something I can do with most of the existing pipes, if not will it be ...
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2answers
75 views

cold water too hot in AZ—worth it to insulate attic copper?

All of my plumbing runs through copper lines in an accessible attic in a 1960's slab-on-grade ranch style home in Phoenix, AZ where I don't need to tell you how hot the attic can get for a huge chunk ...
2
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1answer
230 views

How can I cap off an old, partially-exposed cast iron pipe when a qwik cap won't do?

I'm trying to cap off an old cast iron pipe that's leaking in our basement. The pipe used to be connected to a downspout on the outside and to the sewer on the inside, but it's now disconnected on ...
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1answer
90 views

Join 2“ aluminum pipe between two 4”x4" treated lumber? [closed]

How can I attach an aluminum pipe to (2) 4"x4" pieces of pressure-treated lumber? The pipe would act as a rail. It would be like this: This is another example, but with a top rail:
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1answer
28 views

Bases for anchoring 2" tubes?

Is there a base, similar to this simpson 4" 12-gauge ez base, that can be used to anchor a 2" steel tube/pipe? It would be exactly the same thing, but instead of a 4" square, it would be a 2" round ...
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0answers
41 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 ...
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2answers
513 views

How can I connect to an unthreaded galvanized pipe stub for a garden hose?

I've got a galvanized pipe in my garage that is used for a garden hose. It's fairly rusty. The end has been cut off so there are no threads left - I need a way to attach something to this pipe so I ...
5
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2answers
427 views

What are some ways to remove hardened epoxy from drain pipes?

Long story short. Some idiot poured down half a gallon of mixed epoxy into the sink, and washed it down with water. Epoxy traveled quite far, and then hardened, fusing with the pipes, creating a hard ...
4
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2answers
346 views

Is this flexible drain trap configuration acceptable?

I recently redid my entire bathroom (new to all of this), The sink we chose has a draw back we discovered late into the remodel...it has a non-removable drawer that sits almost level with the drain ...
0
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1answer
25 views

What size are the correct fittings for 1 1/4" ABS pipe?

I need to plumb into an existing ABS drain, labelled as "ABS/DWV 1 1/4" schedule 40 ", but for the life of me cant find any 1 1/4" fittings!!! My suspicion is that the pipe is 1 1/4" ID, and I need ...
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1answer
41 views

Are all plastic compression fittings interchangeable?

I need to rework the plumbing under my kitchen double sink. Currently, it consists of one brass drain pipe along with all ABS pipe and compression joints. Can I replace the pieces I need with their ...
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2answers
77 views

Why is it difficult to find pvc pipes in europe?

I was planning on building some kind of piston toy gun like this one. However, I have trouble finding the pvc pipes in europe (France and Switzerland at least). I looked at the webpage of Hornbach, ...
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0answers
37 views

Standard combinations of pipe bend fittings?

A huge variety of compound angles can be formed in piping by using combinations of 1/8th, 1/4, etc. bends (elbows) and relative angles of rotation. This has application for PVC waste lines, copper ...
29
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4answers
8k views

What is this vertical metal pipe in my backyard? old well? septic?

Purchased this house last week and the previous owners also did not know what it was. The pipe is heavy duty and set in concrete. There's water about halfway up the length of the pipe, but I haven't ...
1
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1answer
46 views

Able to / good way to cover / handle cleanout in the floor

I am trying to install vinyl plank flooring in my basement and the cleanout is right in the middle of the floor unfortunately. Am I able to cover it and/or is there a good way to handle putting the ...
1
vote
1answer
67 views

How to precisely measure pipe inner diameter using digital Vernier caliper?

I have a pipe of unknown inner diameter. The pipe is big so I cannot measure it's outer diameter (the outside jaws won't reach the midpoint). I want to measure inner diameter. That should be easy, in ...
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0answers
116 views

What is this huge hole in my back yard?? Can I fill it in?

I have a huge hole “ maybe 3 foot diameter and 8ft deep” I have noticed the ground sinking in around it. I would like to fill it in. I know that around 12 years ago we went from septic to public ...
1
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1answer
81 views

What type of foam to fill this pipe hole?

There is a strong smell that comes from underneath my kitchen sink. All the wood is brand new so I guess it's coming from the hole in the ground in the picture. I have seen different types of spray ...
2
votes
2answers
468 views

What is the proper method to install a “close” metal pipe nipple?

A close pipe nipple is designed so that when it is installed there is very little or no gap between the two fittings which attach to either end. What is the proper method to install one of these? ...
0
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1answer
366 views

How to remove old metal shower drain?

I have this shower drain piece from 1970s, and can't budge at all. Is there any smarter way to remove this?
4
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2answers
141 views

How to remove this pipe plug?

I'm trying to install my dishwhasher and I'm at the point where I need to install the drain hose. However, the pipe is obstructed by this plug: I guess this is the right pipe (please confirm). I ...
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0answers
15 views

Boiler no longer has the pressure to heat rads

I had a question here about no being able to repressurise my Logic Combi 24 boiler, which got resolved. I got a guy out to look at the boiler and he said the last man to work on it(the one who ...
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1answer
39 views

Fixing a kitchen sink pipe that is leaking

I have a pipe on the kitchen sink that is leaking as shown in the picture below: Would it be enough to just tighten the bold from where the leak starts (in which case I need to buy a pipe wrench) or ...
0
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2answers
156 views

How to prevent algae formation in basin pipe?

In my house, I have a basin, the pipe of which is causing problems. Background: The pipe of this basin is connected to the same drain as the washing machine drain pipe. As a result, when the machine ...
2
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2answers
429 views

Can i run cat7 cable parallel to electrical wiring?

I need to add ethernet cables to my business. Above the t-bar ceilling i have all the electrical wires 120 & 240 volts inside several metal pipes. If i run cat7 cables inside one pvc pipes that ...
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1answer
105 views

What type of plastic water supply pipe do I have in my crawlspace?

The hot water line under my crawl space cracked so I am trying to replace myself. The existing pipe is grey, has CTS 3/4" 7/8 O.D. print and connected with brass ring clamps and fittings. So I ...
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2answers
78 views

Can I use compression connections on rigid “L” copper?

I'm running 1/2 inch "L" copper to plumb my bathroom. I was intending to use the same pipe for the risers and stubs, which will connect to shutoff valves with compression fittings. I was going to use ...