Questions tagged [pipe]

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

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1answer
35 views

Remove kitchen sink drain pipes

I am trying to remove the kitchen sink to replace it. Its drain pipes are showed in the following photo: Anyone know how to remove these pipes from the sink? It doesn't look like I can turn the part ...
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0answers
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Flexline on a t and p release valve?

Opened new water heater box and noticed that the t and p valve is in the wrong place...on top. It used to be connected on the side with a copper flexline, then 3/4 copper pipe through a kitchen party ...
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0answers
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How do I move a drain pipe move into a wall?

My washer drain pipe is in the floor, but I want to put it in the wall. How would I go about moving the drain's location? The drain pipe goes under the trailer
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1answer
40 views

Will reducing the size of a pipe running to my bathroom reduce pressure at the fixtures in the bathroom?

I bought an older house and there are 1 inch pipes running from my hot water heater, across the basement then up to the bathroom on the second floor. The pipe also goes a round-about way and there is ...
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2answers
46 views

Soldering or brazing copper pipes

At a local workshop we have a portable and old heating device where the heat generator's housing reaches around 180°C during operation. The original external aluminum radiator with a fan attached to ...
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2answers
76 views

Does black iron pipe need to be cleaned before installation?

Black iron pipe comes coated in oil, presumably to prevent rust but possibly as a side-effect of having been machined. Does that oil need to be removed from the threads before assembly with thread ...
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3answers
382 views

What do I use for backfilling septic pipe leaving my home?

I have a 4" PVC septic pipe leaving my house on the cinder block wall about 4 feet below my house. There was a crack inside of the part where it leaves the house and I need to replace it (from ...
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1answer
31 views

Does ambient temperature impact gas pipe sizing?

I'm running a gas line for a garage heater in a cold northern climate. At times the pipe could pass through air as cold as 0°F. Does pressure drop due to reduced pipe temperature present a concern ...
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1answer
51 views

What size black iron pipe should I use for a 45,000 BTU attached garage heater?

I'm running a new gas line for my garage heater. I have all black iron in my house, so that's what I'll continue with. I'm more comfortable having that exposed as it crosses part of a wall in the ...
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1answer
28 views

Cannot unscrew stuck shower arm

I’m replacing my old shower arm but it stuck and won’t move not even a bit. The picture is my old adjustable shower arm remnants(female) attach to the pipe(male) coming out of the wall. I tried ...
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1answer
51 views

How do I get rid of the sulphur smell from cold water only in one sink?

In my powder room only, I have a strong sulphur smell that comes out of my cold water faucet only. I have a water filtration system for my house but only have this problem in one sink. I have ...
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3answers
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Can the internal part of a slip-on tub spout be removed to install it as a front-end threaded spout?

I bought a Pfister pfirst modern shower trim kit as it's one of the few compatible with my 80's Pfister Avante valve. I'm discovering now, however, that the included tub spout appears to be the "...
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7answers
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What are these capped, metal pipes in our yard?

We've owned this home for 5+ years now, and these pipes have been bugging me. Even moreso now that I'm looking to do some landscaping right over one of them. The house was built in the 60's in a ...
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1answer
43 views

Pipe insulation, pros and cons

Someone told me that pipe insulation is not necessary, rather he said it could cause more problems. I'm under impression that he's making an excuse because he forgot to put it back. Any inputs, anyone?...
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2answers
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How to Fix Busted Pipe Under Slab

I have an iron pipe underneath my slab. I busted it this morning when I was working on an adjacent pipe. It is a seam-split, parallel to the pipe's axis (i.e. the split runs long-ways on the pipe). I ...
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1answer
35 views

What pipe has approx 5/8" (.625) ID?

I need to make some spacers on a 5/8" axle shaft and I'm thinking if I could just buy a steel or even pvc pipe with 5/8" ID or slightly over that will be the easiest solution. Is there a ...
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2answers
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Gas Vent Pipe - Outside Placement

I Recently adjusted the exterior furnace gas vent pipe as per the picture below. The old placement ended where the first elbow (up/left looking at the pic) is currently. However given that my 2 year ...
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2answers
55 views

Causes for toilets to self-flush due to water pressure issues

Hopefully I can convey my question properly. My townhome is about 20 yrs old (relatively new). It is two stories tall. I have 2 toilets upstairs and one toilet downstairs. This issue just started ...
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1answer
97 views

What are these copper pipes and do I need to do anything to them before covering them with a wall?

Home was built in the 1950s, and this is where there was originally a shop in the back of a basement garage. We just tore out the wall that had been put up here (sometime in the 80s?) and were ...
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2answers
239 views

How to support 20 feet of 4 inch pvc drain pipe horizontally along a concrete wall?

I need to run 20 feet of 4 inch drain pipe horizontally along a concrete wall. Someone suggested saddle clamps and anchors. I am not sure exactly what type to use, especially if the pipe is full of ...
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1answer
73 views

What is the material leaking out of my plumbing drain stack?

This has been happening since about a month after we moved and we noticed a fluid leaking out of this pipe. It seems to be a sewage pipe. Whenever we flush, we can hear the water running down this ...
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2answers
40 views

Repair or replace a water pressure regulating valve?

The water pressure inside a property is low. The property obtains the water from a municipal water supplier. Staff from the supplier measured the incoming water pressure and reported it was within ...
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5answers
2k views

What is causing these water heater pipes to rust/corrode?

This water heater was replaced by a plumber 4-5 years ago. Within about a year, all the new connections were rusting/corroding. Did the plumber not sufficiently tighten the fittings? Is this perhaps ...
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0answers
23 views

New bathroom design - stack pipe

I am trying to add a new bathroom in the attic for kids. Here is idea 1, my doubt is that could I join the toilet drain into the laundry drain? Does that cause any issues like the smell? I am new to ...
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1answer
2k views

I removed my bathroom vanity and found some pipes. What might they be?

We are doing a bathroom remodel, and I removed the vanity and found some pipes I did not expect to find. This is a second story bathroom, and the wall pictured is an exterior wall. The pipes are ...
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1answer
28 views

Disconnecting Long, Clipped Pipe Runs

When the installer fitted my floor standing boiler, he neatly, clipped the main 22mm feed to the wall. The pipe in question enter the room at floor level and has several components (pressure reducer, ...
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0answers
29 views

Is PPR pipe that is twisted around its axis still reliable?

A PPR pipe is twisted (not bent) around its central axis by the weight of flexible pipes (and water in them) that is connected to its exit which is right angle to the pipe (that is the reason for the ...
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1answer
46 views

Leaking gutter down pipe/elbow junction

I noticed a leak at the joint of a down pipe and An-elbow, yet rain water flows through the down pipe as expected but quite a large amount of water is dripping (I outlined with red on the photo). ...
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0answers
43 views

What type of pipe is this protruding through my floor? [duplicate]

Basically, we are renovating a house we have moved into and undoing countless bodge jobs. After removing the old system boiler hot water tank, we have found a large cap protruding out of the floor by ...
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3answers
56 views

How to connect sections of black iron gas line?

In my crawl space I have a fairly convoluted maze of black iron gas connections which only serves 2 appliances. During basement renovation this maze gets in the way and I would like to remove most of ...
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1answer
51 views

HDPE water and gas pipe v. Gophers

I have an open trench and I might as well fill it with expensive plastic. I went by the local irrigation supply to get 1 inch HDPE water line and was told gophers eat that around here (south-central ...
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1answer
40 views

Not sure how to reattach two bathroom objects

About a year ago we had a contractor switch out a cabinet for a pedestal style sink. I didn't notice until recently that behind the sink there was a loose ring object on the outflow pipe and the ...
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11answers
3k views

How can I cut this recessed PVC pipe?

The top of this pipe is gouged where it needs to seal with the new shower base. I need to trim off a few inches from this pipe so I can glue on a clean piece. the hole is 10" square. The pipe ...
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1answer
69 views

Drywall joint/edge against pipe ok?

I'm wrapping up the design of my basement ceiling. Going with drywall to save an inch or so. One problem area I have is write at the bottom step to the basement there is a heating pipe that cuts ...
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2answers
100 views

I can’t stop a tail pipe leak after installing in bathroom sink

I installed a new faucet and tail pipe in a bathroom sink. It leaks where the tail pipe collar connects under the sink. I have done this type of bathroom faucet replacement probably 6 or 7 times over ...
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0answers
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Help with double leak at Toilet Supply in flat please

Could anyone here please offer any advice on how to troubleshoot/fix 2 separate leaks I have in my flat in the two positions shown below? The first leak spurts out of the top of the nut at the ...
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4answers
602 views

How to safely chip away at a tile to make room

I need to install a shower against a tiled wall. I have 2 issues : I need to safely remove a tiny bit of the tile, to give me more access to the water outlet of the pipe. What tool and method should ...
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2answers
44 views

Is there a Plastic Barb to PVC Pipe pipe fitting?

I'm using this Diaphragm Pump that I bought online for a certain project, and I want to attach the inlet and outlets of this diaphragm pump to a PVC pipe. I think that Barb Outlets are supposed to be ...
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1answer
58 views

2 unknown pipes in garage, one dripping/leaking

These pipes are about 4' tall. The one on the left is dripping water, it appears to have a valve to turn it off....Can anyone tell me what these are for and if I should turn the valve off?
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2answers
41 views

How to change waste pipe fitting with a small amount of male pipe to work with?

I'm adding a 4th bathroom to my home and need to update the waste pipe going to the septic tank from 3" to 4". The pipe coming out of the foundation immediately transitions from 4" to 3&...
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3answers
68 views

Water pressure in apartment (2nd floor in two floor building) lower since new pipes and new shower

I live in Seattle. I don't know anything about plumbing but after a problem on the ground floor, over two days all pipes in my apartment and one below were changed. I didn't want them changed but they ...
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1answer
62 views

Is rust inside a black iron natural gas pipe normal?

I was doing some repair on a tiny leak in one of my natural gas pipes, and noticed that inside the pipe was a small amount of rust. When I took the pipe off, when I turned it upside down a small ...
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1answer
1k views

Can I put road salt into toilet/sink trap to prevent it from freezing?

I have been advised, that I can put salt into a trap to prevent the water from freezing in building I do not use much during tough part of the winter. I know I need to remove all water from pipes ...
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2answers
74 views

What is this rotating pipe adapter called

This is the solenoid valve from Orbit Water Timer I have. I want to know what is the rotating adapter on the right side called. I would want to buy one for some of the threaded taps that I have in my ...
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3answers
67 views

Can I replace a portion of a furnace exhaust pipe by using two couplings?

I live in York Region (Vaughan Ontario). The gas company came by and performed a visual inspection. They identified my furnace exhaust pipe (black APS 2") is starting to crack at the coupling (...
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1answer
945 views

Can I just cover PVC pipes with elbows with soil underground?

I had a leak in my piping, I fixed it and I'm going to cover it with soil. My concern is that somebody can walk over this spot when it's underground. Can pipe elbows break in that case and how can I ...
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3answers
3k views

What is this closed off pipe under my kitchen sink? [duplicate]

This pipe has a very slow leak. What is the pipe for and what is the best way to stop the leak?
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2answers
65 views

Identifying 2 pipe pieces

I'm tasked with producing a barre. This: And I'd like to walk into the plumbing supply store with the right words for the parts. I realize that in screwing pipes together, one can't make a square and ...
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1answer
23 views

Threaded Brass adapter leak

A pair of adapters is bridging CPVC to PEX. The pair is coupled through threaded brass: PTFE Teflon tape was applied. There is a very slight leak in the brass threading. Any suggestions remedy the ...
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0answers
40 views

UK Building Regulations Concerning Radiator Pipes in Walls

I had a builder install a wall cabinet in a new build. He hit a radiator pipe so I then called a plumber to fix the leak, who did so by disconnecting the relevant radiator from the system . The ...

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