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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66 views

Bad to seal holes around gas pipes with cement?

I got a new gas person this year to check my boiler. He noticed that where my gas pipe comes into the house, through a hole in the bricks, the hole is sealed with cement or mortar. He said that this ...
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1answer
48 views

structure for DIY float tank

I have built float tanks before with wood and fibreglass. Now I'm living in another country and want to have a tank again, the option I want to build is like the zen float tank. So I want to know if ...
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Kitchen sink water pipes installed, not cloged but water does not drain at all

I installed the new pipes after the old ones broke. They are all installed as the old ones, but somehow the water doesn't drain at all. See pictures: (click to enlarge) I believe that everything is ...
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2answers
50 views

Is there a product that provides a switch for diverting water through a different set of pipes?

I have a pond setup where there are two pools, a lower pool and upper pool. Water is pumped from the lower pool into the upper pool, with an electric pump, then flows back through a waterfall. Much of ...
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2answers
47 views

heavy duty workbench leg from metal pipe?

I need to fabricate a heavy-duty leg for a workbench. It needs to be about 30" high, with adjustable height (that is, with something like a foot with a threaded stud that can be rotated to fine-...
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1answer
192 views

How do you control what angle plumbing joints go in at?

I'm an electrical engineer, working on repairing a somewhat complicated pneumatic system, but I figured this would probably be the best place to ask. This is probably a very basic question to anyone ...
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1answer
31 views

Water pressure when changing pipe diameter

The water inlet pipe is 2 inch copper. The water supply is municipal. I want to install a leak detector that requires only a one inch pipe. I plan to cut the two inch copper pipe and install one ...
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2answers
41 views

No flange when replacing toilet

I pulled out an old toilet and there wasn't a flange in the floor to use when installing the replacement. It looks like the bolts were drilled straight into the ground, although one of them I had to ...
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0answers
69 views

Can anyone tell me what this pipe is?

I was touring a property for sale and I saw this pipe sticking about 4 feet straight out of the ground. We asked the owner about it and she didn’t know. Does anyone have any idea what it is?
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22 views

Roof Drain Stack: Split 3“ pipe into two 2” pipes?

My existing 3" roof drain stack runs through an interior wall that was furred/boxed out a bit to allow for the 3" pipe size. To make this wall flush again I'm wondering if there would be ...
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7answers
2k views

Outdoor burst pipe best practice for the winter

We had an outdoor tap (faucet) fitted in the summer last year here in Edinburgh UK. The temperature here often dips to just below freezing over the winter. Outside, at least. The plumber suggested we ...
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3answers
2k views

Can white bread be used to temporarily plug pipes for repair?

I've been digging on the Internet, for a solution to soldering a dribbling pipe. It seams logical, but I wanted to check if anyone has tried this, and if they had any problems getting the bread out. ...
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22 views

Pipe cleaning machine without guide hose - how to prevent tile and furniture damage?

Looking for a pipe cleaning machine, I see only the very expensive ones with a guide hose ("Spiralschutzschlauch") that will protect the bathroom from fast-rotating spiral ends (2.5 - 5 m!). ...
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63 views

What's the term for a rotatable plumbing pipe “union” in the UK?

I've been searching for a specific plumbing fitting for UK BSPP threaded pipes / devices but I don't know what to call it. I'm not looking for a specific product recommendation, just the terminology. ...
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2answers
82 views

How do I route plumbing vent line around a corner?

I am installing a floating vanity and need to move a 1 1/2 vent line behind the wall. I am in a row townhouse. How do I run the 1 1/2 pipe around the corner? Do I cut a hole in the studs or notch them?...
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How do I nicely cover this floor pipe in the basement?

So I'm adding flooring to my basement and I've got this sewer access cap thing in the way. I know I need to wrap the flooring around it and then I assume I'll need to cover it with something. What is ...
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1answer
46 views

How to make a ~90 mm diameter 50 cm forearm roller as cheaply as possible? [duplicate]

I want to make a 90±5mm diameter forearm roller. It is a cylinder about 50 cm long. If it is a heavy material on its own, ideal. If it is not a heavy material, it must be possible to attach a string ...
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23 views

Concern with whirlpool tub pump drainage

I am having a whirlpool tub installed by a plumber. This is the tub. We purchased it with an upgraded pump, specifically this one. It came from the factory looking like this: The pump is mounted at ...
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1answer
88 views

Cutting pipe with machine

I am planning a project to remove a water heater. Following good advice on this website, I learned that it’s not a good idea to simply cap off the pipe. I should instead cut the pipe low on the ground,...
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2answers
413 views

Residential Natural Gas Meter - Remove Fitting?

Is that reducer coming out of the meter necessary? Currently, it's a 3/4" to 1/2" reducer, then steps back up to 3/4" and then to 1" for the runs in the house. Can I eliminate this ...
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2answers
71 views

Change location of water heater

I have a gas water heater inside my home at the moment. I am planning for the work to remove it, and install a new electrical tank-based water heater, at a different location. The new location is just ...
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0answers
35 views

Sound of water flowing through pipes at main but not flowing at taps

I've been told by a plumber we have a frozen pipe that runs from our main water supply at the street to our main water valves inside our building. The pipes from the main supply outside to our valves ...
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1answer
71 views

After a water main line repair on our street, our hot water stream for the bathtub suddenly is very weak. Could the pipe be clogged by debris?

Situation as described in the question. We first suspected a partial freeze (temperatures have been extremely and unusually low here in Austin), but even after hours of running the steaming hot ...
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1answer
131 views

My copper water lines burst, was that actually a good thing for the steel pipes around them?

I have an external water heater in a contained closet with two copper pipes, 1", running up from under the house to the fittings, through the water heater, then back down again. Coming back home ...
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1answer
57 views

Should I install a drain trap on the main pipe before it exits my home?

So my father-in-law and I are going back and forth.. I plan on redoing my entire main plumbing. When I purchased the house we remodeled the bathroom and had a plumber run a new schedule 40 stack and ...
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1answer
78 views

Extreme cold: Pipes seem ok, except hot water for bathtub which only trickles, despite being closest to water heater. Can it be frozen? Burst?

Situation as described in the question. We have a peer & beam foundation. I already went under the house to check for a possible leak. The bathtub pipes are impossible to get close to, but from ...
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1answer
55 views

Drilling above laundry, hit something hard

I was drilling into my wall in my laundry closet (contains my washer, dryer, and water heater) to install shelf brackets above my dryer and washer. After using a stud finder, I drilled where I ...
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1answer
183 views

Frozen PEX in exterior shower wall

The temp dropped to zero last night and the shower head mounted on an exterior wall has no water flow: frozen PEX line. There is no access to this space from above or below. If I use a hair dryer on ...
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3answers
100 views

Loud thumping sounds coming from radon pipe

Our house had an existing radon pipe (passive) and high radon levels. We had a radon mitigation company assess the system. He installed a fan to the existing pipe. The fan is in the attic. Since the ...
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0answers
156 views

Pipes were frozen-cold water coming from hot

Our hot water pipe was frozen in our garage. We got it thawed out and for fifteen seconds there was a burst of hot water now it is only cold water. Could it be that the water is still cold from the ...
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2answers
53 views

Cover up these water heater pipes?

I live in Austin where it's about to get much colder than normal (single digits). Unfortunately the house in question (we're not currently living there) has no power at the moment. We just had the ...
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4answers
124 views

Pipes on Exterior Wall

I recently had frozen pipes in my basement. I took some drywall down to identify the location of the frozen pipes and to apply heat to thaw it. It appears the frozen section is somewhere about halfway ...
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0answers
34 views

Cold Air Between Joist and Foundation

The other day, my washing machine produced an error code indicating it was not receiving water. I checked the water supply to the washer, and the hot water line was working but not the cold. It has ...
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4answers
2k views

Should I drain all the pipes before a freeze?

I live in Austin and we are going to have some pretty cold weather in the near future. I recently bought a house that I'm not living and since the electricity is out (and cannot be turned on until an ...
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1answer
43 views

How do I estimate BTU usage to properly size new gas line?

I have an existing natural gas line that feeds my furnace, water heater, and an indoor fireplace. That's all working fine. I'm considering adding a second line that would feed a new gas range (my ...
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1answer
2k views

What is this pipe

I have a small cupboard in basement I store paint etc. In house has oil heat but getting a sort of gas smell after bumping the pipe feels loose like it was just back filled with gravel . Old home ...
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7answers
2k views

How can I temporarily repair a lengthwise crack in an ABS drain pipe?

I have a 3" diameter by 4 ft long, vertical ABS sewer drain pipe (unpressurized), in my wall that has a crack running lengthwise for around two feet and slowly getting longer. I've called a ...
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1answer
38 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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1answer
53 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
47 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
89 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
456 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
34 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
98 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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2answers
132 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
67 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
50 views

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
3k views

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
60 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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