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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4 votes
4 answers
816 views

How does one secure black pipe gas plumbing to an exterior wall?

I’ve added a short extension for a grill quick disconnect to my home’s natural gas plumbing, and I’m finding the straps to secure it to the outside wall are lacking. They're perfectly sized for the ...
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2 votes
1 answer
231 views

What should I do after drywall compound was flushed into my plumbing drain?

I washed bucket of wet drywall compound down my toilet. Will it clog the pipes? What might be some possible solutions?
0 votes
2 answers
94 views

One legged pipe bench

I'm wondering if it's possible to create a high one legged 1.5 meter wide bench using 3/4 or 1 inch iron pipes (and fittings) with 3 or 4 mm thick walls. Basically, I want to have one continuous pipe ...
0 votes
1 answer
46 views

I having trouble try to connect my p-trap to the wall drain pipe

My wall drain pipe is facing down, so I am having a hard time trying to connect the p-trap to the wall drain pipe because of the angle.
0 votes
0 answers
32 views

Toilet keeps leaking from the cistern pipe going into the back of the pan

I have a persistent problem of the pipe leaking at the back of the pan, the toilet has been replaced, the pipe has been replaced and the seal has been replaced 3 times, it still leaks, I’m at my wits ...
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0 votes
0 answers
32 views

Sink Drain Building Pressure

I live on the bottom floor of a 2 unit condo (neighbors above) and the bathroom sink seems to build up pressure in its drain and begin leaking at the tailpiece connection above the p-trap (which is a ...
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3 votes
4 answers
144 views

How do I remove a bottle cap stuck 3 feet down a drain line

A bottle cap (I think) fell down my sink drain and down the pipe before I could retrieve it. It seems to be the perfect size to block the drain because despite no water down the drain for a month, ...
  • 1,811
0 votes
0 answers
33 views

Black iron boiler loop for modern (Noritz) combi-boiler?

I've seen, on the interwebs, that black iron piping can be used for primary boiler loops, especially when boiler itself is cast iron. But is black iron okay/recommended for modern condensing combi-...
  • 683
0 votes
3 answers
125 views

I painted over rust with rust-resistant paint. A few days later it's back. How can this be possible?

I have this pipe through my kitchen. I painted the pipe with rust-resistant paint and in a few days was back. Could it be rust? Could it be some kind of mold? It's quite extruded/"3d" if I ...
1 vote
1 answer
56 views

Natural gas fire pit

My plumber piped a 1" gas line from my home to our fire pit. Its a 300k btu burner. The kit cam with a gas valve, 2 tee's some fittings and 2 gas lines. The plumber only used one line from the ...
1 vote
0 answers
47 views

Pipe upgrades for a large gas firepit

I'm looking to add a rather large natural gas firepit to my backyard. Unfortunately I can't run the pipe underground from the meter out to the firepit because there's about 100' of concrete it would ...
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-1 votes
1 answer
146 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
0 answers
40 views

Should downspouts drain into perforated or solid pipe?

I recently had a contractor re-grade and replace the concrete pad alongside my house, primarily to fix drainage problems. Previously, my downspouts emptied onto cracked concrete where water could seep ...
0 votes
1 answer
91 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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1 vote
0 answers
89 views

Can a toilet be above a vertical drop?

Installing a new toilet on the second floor, would like to position it above the vertical drop installed in a chase. Can a toilet be placed directly above drop like this? I am not asking about venting....
22 votes
2 answers
6k views

What is an air bleeder valve, and how does it winterize pipes?

I found this message attached to a pipe in the first house I bought Caution Winter Drain Instructions: Close valve in October before winter freeze Open air bleeder valve on side of main valve Open ...
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2 votes
4 answers
428 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 - ...
1 vote
5 answers
155 views

Galvanized pipe red "corrosion" appeared at joint, very weird. No leaks, water flow fine

This has appeared under a kitchen sink... hot water inline feed only. It appears to have started after I put a quarter turn ball shutoff valve in a couple years ago. You'll notice the new shutoff ...
0 votes
1 answer
138 views

I see rust on my outdoors incoming gas pipes on the utility side of the meter - is it bad enough to call the gas company?

Our gas was installed between 50 and 70 years ago. The outdoors piping on the house side of the meter looks fine, with just a few traces of rust. However, the pipe on the utility side of the meter has ...
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2 votes
1 answer
71 views

Should vinyl plank flooring be caulked around a wall pipe?

I am installing Vinyl Plank flooring with a moisture barrier underlayment on our concrete basement floor. The basement was unfinished, but is now being finished. I installed the flooring all through ...
0 votes
1 answer
72 views

What is the correct way to clean/maintain sink bathroom drain?

Some research says boiling water, other research and people I know warn against boiling water (too hot, bad for pipes or the glue or something). I am of the opinion to avoid boiling water. I also ...
1 vote
2 answers
107 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 ...
0 votes
0 answers
59 views

Strange smell coming from main sewage pipe in wall

I recently had my kitchen redone and new plumbing done. I am noticing a smell behind the dishwasher where the main sewage pipe is. It’s in the wall but partially comes and connects to other pipes. ...
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0 votes
3 answers
161 views

Is there a benefit of running a 1in pipe off a 3/4 pipe for irrigation

I have a 3/4 in. pex water line coming out of my meter to my house. I would like "T" that line and run a 1 in. pipe (or larger) off it. My question is, will I see an increase in flow in the ...
1 vote
1 answer
56 views

Gas run BTU limitation issues?

720K BTU of simultaneous draw is being added over a distance of ~110-180ft and I have concerns about the pipe diameter being sufficient, but I don't know much about gas. I've included a diagram ...
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19 votes
2 answers
4k views

Why not put pipe dope on female thread?

What is the risk of having pipe dope in natural gas line? Not blobs of dope, but a thin layer or bead on inner (female) thread. Most instructions on using pipe dope on gas pipe says to put pope dope ...
  • 683
9 votes
1 answer
940 views

Connecting a p-trap via bending the drain stem vs the trap arm?

I have a p-trap that has an outlet that ends too close to the wall for it to be able to be connected straight into the trap adapter of the vent inside the wall. I'd like to avoid the non-code ...
8 votes
1 answer
2k views

What is this spiral-textured pipe in wall cabinet?

I’m helping with parents' kitchen remodeling and will take down my vent hood cabinet and do away with it. I just want vent hood straight up to ceiling for a clean modern look. But when I look inside ...
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0 votes
2 answers
176 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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1 vote
1 answer
76 views

Rainwater Pipe Through Gabion Wall

I need to build a relatively short and about 70-100 cm high retaining wall in my garden. I have chosen to make it out of gabion for various reasons, one of them being price. The main reason however, ...
4 votes
1 answer
839 views

Connect Two Pipes

I am not sure how this was originally connected, but it is now disconnected. What must I do to get these two pipes re-attached? The top white pipe has no threading or anything on it, so I'm not sure ...
0 votes
2 answers
95 views

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?
1 vote
2 answers
53 views

Removal of gas line

I'm doing a bathroom/closet reno on the second floor of my home. In the process I discovered an old gas line (black steel pipe) that I believe is still active. I traced it back near the gas meter ...
1 vote
1 answer
114 views

Identify pipe connecting to nothing in basement (fireplace/hvac/unsure)

I'm remodeling my basement and came across the following pipe connected to a duct or something. It looks like it connects to something and, maybe, that something is the fireplace. At the least, it ...
2 votes
1 answer
102 views

Can this pipe be repaired?

There is a pipe in my house that has endured extensive corrosion. I have talked with inspectors and plumbers and everyone agrees that something should be done about it. I have had trouble getting a ...
1 vote
1 answer
72 views

Are those pipes at risk of clogging or leaking?

Just moved to my newly renovated home. I found those pipes looks a bit weird. The first photo is the kitchen sink drain pipe, the p type pipe tiled a lot, will this causing any potential clog problem? ...
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1 vote
1 answer
137 views

Old home clay foundation pipe?

My home was built in 1948. It's having a lot of bowing and shearing issues and I need to put steel beams up in the basement. An interior drain system has also been recommended but I'm reluctant - and ...
0 votes
1 answer
134 views

Sewer backflow pipe in middle of paver patio

I'm installing a paver patio in my backyard and have a sewer backflow pipe in the middle of the area where the patio is going. What options do I have for lowering or covering the pipe so that it is ...
0 votes
0 answers
78 views

How do I fix my air compressor tank that is constantly leaking?

I have an air compressor model WL660501AJ which had the 1/4 nipple snap in the tank resulting in an air leak. I removed the remaining portion and tried to replace the pipe with plumber's tape on the ...
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0 votes
0 answers
96 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 ...
  • 397
0 votes
1 answer
99 views

Can black stove pipes be used for ductwork?

Can I use black stove pipes for ductwork in my garage? I'm reading that I need 26 gauge duct pipes for garages, and it turns out that 24 gauge black stove pipes are a cheaper option (at least at Home ...
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0 votes
0 answers
70 views

What is this leaking pipe and how can I fix it?

A pipe below my sink started leaking. I was able to find the pipe that leaks, but couldn’t determine it’s function and/or a potential fix. It is a gray color pipe with metal stripes. It folds near the ...
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2 votes
2 answers
157 views

What is this elbow joint pipe?

This elbow joint is leaking. I think it’s the condensation pipe off the boiler because it seems to leak when the boiler comes on. I’ve tightened it fully but still leaking. The pipe on the left (...
  • 351
0 votes
0 answers
165 views

What is this pipe in the attic for?

I see this silver pipe in the attic that doesn't seem to lead anywhere. There is a hole in the wood, maybe it used to go outside? Right now the hole is covered, probably with the roofing. Just ...
  • 147
0 votes
0 answers
36 views

Basic question: water pipe fitting, leaks and force required

A question from the inexperienced: I have a leak at a water pipe joint and I don't know whether the answer is just more force - reluctant to apply excessive force until I know it's the right thing to ...
  • 101
0 votes
0 answers
32 views

Sump pump knocking after water flow if sent out

Our sump pump knocks rapidly, loud, and for 10-15 seconds each time water is ejected/discharged. -water flows freely out the exit pipe -i plan on changing the check valve today 3/23/22
1 vote
1 answer
237 views

What is this pipe sticking out of the ground

I sold my dads house after he died & the people that bought it dug up the ground to fix the sewer line. I drove past the house the other day & saw this really tall white pipe sticking out of ...
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5 votes
2 answers
1k views

Why can't I find a cleanout plug to fit my drain pipe?

Trying to cap a water line that connects to my sewage out line. I purchased a cleanout adapter with cap in 2" and 3" and one is too big and one is too small. I think I need a 2-1/2" ...
3 votes
2 answers
1k views

Water Still Dripping From Sink Even After Cut Off Valve Off

I want to change the faucet on my vanity, so I was cutting the water off at the valves under the sink (image below) - cold works fine, but the hot, even when the valve is as tight as I can get it ...
1 vote
1 answer
64 views

Can I use a hot water recirculation pump to mitigate risk of exterior wall pipe freeze?

We have a home in a cold location that is unoccupied during much of the cold season. (We're talking -30 F temperatures here.) It's well insulated and we keep it heated, but up in a far corner of the ...

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