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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Calculating gas capacity with mixed sizes of black iron pipe

If I have a gas meter connected to 50' of 1" pipe and then 30' of 3/4" pipe, it doesn't seem correct to determine the amount of gas available at the end of the run based upon a chart that ...
ZippyTheSquirrrel's user avatar
0 votes
2 answers
41 views

What can I use in place of missing coupling fittings on a used heat pump?

I picked up a Dream 8kW pool / spa heat pump which came without any fittings for the water in/out. The unit looks like this: The previous owner used a rubber coupling like this for his pond. I'm ...
MrNorm's user avatar
  • 133
13 votes
2 answers
4k views

What makes a tee "sanitary"?

I'm looking at tapping into an existing drain line at the vertical vent, which I understand should be via a horizontal run to a sanitary tee. The vent is 2 inch PVC; the horizontal piece I will ...
fectin's user avatar
  • 462
0 votes
2 answers
82 views

Pipe In Kid’s Closet: Asbestos?

There’s what I believe is a ventilation plumbing-related pipe in my daughter’s closet. I’m pretty sure it’s cast iron and not lead, because a magnet sticks to it. I’m concerned about environmental ...
RandolphRobertson's user avatar
0 votes
0 answers
10 views

I have an Rinnai boiler/water heater, one zone. It worked well for 2 years and then began errors

Got E: 140 heat exchanger overheating. The propane company came out and replaced the internal circulator 2 weeks ago. Last night same error. they replaced it again but it still didn't work and they ...
Lisa's user avatar
  • 1
0 votes
1 answer
42 views

Which part do I need to connect a 1/2" OD 3/8" ID drain pipe to an 1/2" dishwasher wye?

It sounds silly but it seems I can't just connect a 1/2" OD / 3/8" ID drainline to my 1/2" dishwasher wye. I purchased this one which should be 1/2" but I measure roughly 5/8" ...
divB's user avatar
  • 676
0 votes
1 answer
80 views

How to remove this pipe that appears to be glued in?

My basement utility sink has been draining slowly, so I removed the P trap looking for a clog. It was totally clean so the issue seems to be further down the line and beyond my comfort zone. Anyways, ...
Brandon Tlachac's user avatar
1 vote
1 answer
108 views

How to remove limestone from supply lines?

I noticed that some pipes have a low flow of water, in particular hot water pipes. I removed the limestone from faucets using vinegar, and it worked, but I noticed that the supply pipes themselves are ...
Marco Sulla's user avatar
0 votes
1 answer
45 views

What to use to fill pipe gap behind cooking stove

We just pulled out our cooking stove and found two gaps: A bigger gap around the gas line and wall A smaller gap on the wooden floor to the right of the bigger wall gap What would you recommend to ...
Wall Hole's user avatar
1 vote
1 answer
52 views

Putting in a basement bathroom and contractor hit/repaired foundation trench pipe?

We're putting in a basement bathroom and the contractor was digging to install the ejector pit/sump. He hit what I assume is a foundation pipe (each section is about 16", clay) that collects ...
Throwaway00oo77's user avatar
0 votes
1 answer
67 views

How can I figure out how to remove this pipe?

I'm beginning work on finishing my basement and am removing things from the walls before insulating and framing. In one corner, about a foot and a half off the ground, there's a copper(?) pipe that ...
JRandomHacker's user avatar
0 votes
3 answers
82 views

Protruding Gas Pipe [closed]

I live in an old NYC Co-op and looking to do a small kitchen Reno. The gas line protrudes out of the wall which doesn’t allow my oven to sit flush against the wall. My super said, If we were to change ...
MelRodz's user avatar
0 votes
2 answers
59 views

Using Steel Pipe To Hang a Room-Dividing Curtain: How Far Can It Span Without a Center Brace?

My partner and I need to put up a room-dividing curtain in a room that’s 11’ across. The curtain will be fairly light-weight—just heavy enough to be opaque. Unfortunately, it's an old apartment with a ...
Gabe87's user avatar
  • 3
1 vote
3 answers
88 views

How do you keep a flexible rubber coupling from popping off?

I have an effluent tank with a 2" pipe to the leach field about 200 feet away, and a 2" sewage pump. I went with a 2" rubber coupling and 2" PVC and check valve mainly to allow ...
rtaft's user avatar
  • 775
2 votes
2 answers
59 views

How to connect 14 thread pipe to 18 thread pipe

I am trying to install a gas dryer. I noticed that the gas pipe from the dryer (yellow) wouldn't lock with the gas pipe coming from the ground. They are both the same size, and I can turn for one ...
paki eng's user avatar
  • 129
1 vote
0 answers
70 views

What is this pipe that is uncovered outside of my brick wall?

I found a mysterious hole on my outside brick wall (red arrow in image) - it is located above the 2nd floor's bathroom and below the 3rd floor's bathroom (hence the windows above and below). It's a ...
Wall Hole's user avatar
1 vote
4 answers
88 views

Covering AC coolant pipes in finished room

We had a heat pump installed, and the only path from the coils to the outdoor unit went through our finished basement room. Unfortunately, the pipes were run about 18 inches down from the ceiling, so ...
Bryan Chafee's user avatar
1 vote
1 answer
85 views

which valve fitting / adapter combination can i use to connect my kitchen faucet and undersink water filter to my cold water line?

I purchased an underink water filter: KOHLER Aquifer Under-Sink Double Cartridge Water Filtration System I was using the plastic connection that came with it: Connected like so: The top connects to ...
user2285215's user avatar
0 votes
1 answer
137 views

Why do I hear water running through my water heater until the breaker is turned off? [closed]

I heard water running, so I turned off the main water line outside, but the sound was still apparent. It was coming from the electric water heater and didn't stop until I flipped the breaker to the ...
barb baldo's user avatar
0 votes
1 answer
28 views

What is an easy to cover the gap between tap and garden system

I changed the multi tap adapted and the new one doesn't give enough length to attach to the watering system. How can I bridge the gap between the tap and the watering system. What pieces would I need?...
user1605665's user avatar
1 vote
4 answers
111 views

What's the name of this tube insert for mounting tubes perpendicularly to a surface with hidden bolts? [closed]

I want to build a couple of cat scratch posts that can be mounted perpendicularly to a wall and used by cats as steps. I was thinking about using PVC or thick cardboard pipes/tubes, and how I could ...
bmk's user avatar
  • 111
1 vote
3 answers
81 views

Attic access, feasibility-how-to question

We are trying to build an attic access to our second story. The plan was by to support and cut the middle joist (pic), and box it out. The hole in the drywall is into a closet. We were going to remove ...
Kyle's user avatar
  • 11
0 votes
1 answer
37 views

How to prevent GI pipe from getting corroded

I have a hollow GI pipe. I recently got the top end welded but top end is corroding along with that I think GI pipe is also corroding. I'm think I should unweld the cap and paint the inside of GI by ...
King's user avatar
  • 107
0 votes
1 answer
72 views

What is the name of this aditional tube of a siphon?

I need to make an adjust in the siphon of my kitchen sink. I am trying to figure out what is the name of some types of siphon that have a thin (sometimes flexible) pipe before the water drain. It is ...
Guilherme's user avatar
  • 141
0 votes
1 answer
40 views

How can I feed 2" PE pipe through a slab--asking about bend radius? [closed]

I'm trying to set sleeves for a monolithic slab pour. One of the sleeves is intended for running 2" water line. I wanted to use HDPE SIDR pipe aka flexible poly pipe. I can't find bend ratios for ...
cjc's user avatar
  • 101
0 votes
1 answer
62 views

How to deal turn turbulent water flow into streamline water flow in Taps

I have so many water taps at home. But two of the taps water flow is turbulent and rest of the taps have streamline water flow Check out Turbulent water flow Tap 1 Check out Turbulent water flow Tap 2 ...
King's user avatar
  • 107
0 votes
3 answers
111 views

Effect on water pressure of reducing pipe size

I have a lake pump that uses 1.5 inch pvc to deliver water 100 ft then the last two feet it reduces to a 3/4 pipe with a bib faucet. Am I losing water pressure, gaining or no difference with the ...
Nick Travascio's user avatar
0 votes
1 answer
69 views

What is this pipe that is next to our house and HVAC?

We bought a house and it has this next to the HVAC. It looks like a pipe that drains into this cement box that has another pipe inside the cement box going into the ground. There is electricity ...
Megan's user avatar
  • 1
0 votes
1 answer
249 views

Baseboard heater - how to fill a hole?

I found a hole inside my baseboard heater, by the dial on the right hand side, right where the copper pipe meets the wall. Can I use regular Great Stuff to fill the gap, even if it’s touching the pipe?...
Amy Christiansen's user avatar
0 votes
2 answers
57 views

Can I take apart a sillcock?

Can the body of a sillcock be separated from the body tube? Without removing the entire sillcock from the wall?
user171783's user avatar
-1 votes
1 answer
121 views

How can I reduce the outer diameter of galvanized steel pipes by .1-.2mm?

Is there a way to take off.1-.2mm from a steel pipe (1/2 inch ID) I am building several desks and a table. I am using pipes for legs, but the inner diameter of the fittings I ordered is maybe .1-.2mm ...
Aaron J's user avatar
1 vote
0 answers
15 views

How can I extend bathroom fixture supply pipes for sink and hand-held bidet for suspended toilet WC? [duplicate]

How can I extend the water pipeline for the sink, hand bidet and attach the evacuation pipe attached to the toilet and also to the sink? We plan to install a wall-hung/suspended toilet and will use ...
peanuttruffles's user avatar
0 votes
1 answer
47 views

Water supply plumbing changing of pipe size

Just a quick 1...I'm installing a jojo and I have ¾ supply which I'll be feeding the jojo with...but I was thinking can't I run the ¾ pipe for about 2 meters and than upstream the pipe (increase the ...
Zakariyah Jeewa's user avatar
0 votes
1 answer
52 views

Disconnected my hot water supply line for the kitchen sink by accident, easy fix or call a plumber?

Sorry for the poor image quality. I was installing a water shut off valve for my kitchen sink, and I jostled my hot water line too much while doing the two wrench thing. Apparently pulled the pipe ...
1stHomeidiot's user avatar
11 votes
1 answer
1k views

Doping threaded gas pipes -- which threads are the "last" threads?

I've heard that to join threaded gas piping in my house, I should use either pipe dope or teflon tape rated for gas. Regarding the dope, I've been told to dope "all but the last two threads."...
theforestecologist's user avatar
10 votes
2 answers
3k views

Adding salt pellets direct to home water tank

Our house is not connected to a town water supply, we just have a water tank under our house (approx. 12000 litres / 3000 gallons). We have it filled from a water truck every 3-4 weeks. Apparently ...
Midavalo's user avatar
  • 201
1 vote
2 answers
354 views

Questioning plumbing layout to a pressure tank (added visual diagrams)

I am finishing a guest house next to my house. The two houses share the same pressurized system from a well pump near the guest house. Previous owners did not put a pressure tank in the system at ...
Rowabo's user avatar
  • 43
1 vote
1 answer
62 views

Toilet pipeline 2 holes spraying Temporary fix please Main shut off for 2 days

I found 2 holes that were spraying water in my toilet pipeline and am needing a temporary fix. I have been without water for 2 days and can not get anyone here for a week Is this easy to replace. I ...
Kaz's user avatar
  • 11
1 vote
3 answers
317 views

Insulating outside minisplit lines

I need to insulate two outdoor minisplit lines. They are 3/8 and 1/4 inch copper lines - approximately 15 feet. Edit: They came with insulation but after several years it is damaged and needs ...
Aaron Kreider's user avatar
1 vote
1 answer
42 views

Does the framing under this plumbing leak require replacement?

I found some rotted drywall and bottom trim near where my shut-off valve was installed. After tracking the leak, I found that it came from the water heater where copper connects to PVC. I'm going to ...
David Vong's user avatar
0 votes
0 answers
18 views

Dripping dryer vent clean/dry help

The issue is every summer when we are running AC when it is 85 degrees outside, the dryer vent pipe starts to drip in 1-3 spots. I have an 18.5 ft dryer vent that goes from my first floor down a foot ...
Eric's user avatar
  • 1
4 votes
1 answer
1k views

How can I remove a mystery pipe in basement wall and floor?

Here is what I know so far The house I live in was built in the 1920s. It is located in central Illinois. The damage you see around the pipe is only in that section of the basement. Everything else ...
chrislbaird's user avatar
0 votes
1 answer
81 views

What is this pipe with wires in my new house side yard

Not sure what it is. Its a pvc pipe about 1ft high and some wires wrapped around it. Its in my side yard. Any idea what it is before I ask my builder about it?
Ajay Kumar's user avatar
5 votes
2 answers
1k views

What is the white residue on my concrete parking garage ceiling? [duplicate]

In the underground parking area of our complex there is some strange white residue that appears like some sort of product of a water pipe leak. Overnight the residue falls down on my neighbours car. ...
Daniel's user avatar
  • 261
0 votes
3 answers
1k views

What is a safe procedure for removing natural gas pipe after full service disconnect (meter removed, house intake capped)?

I had my local gas service company disconnect my house from the gas service line. They offered to remove the meter for me and cap the house intake pipe, which I accepted. So to be clear, the service ...
Wayne Warren's user avatar
-1 votes
1 answer
51 views

Risk of using water-grade copper tube on refrigerant line

If I had to macgyver a bypass on 1/8" distributor tubing using a makeshift ferrule/coupling made of 1/4" pipe that was not ACR grade (thinner wall), because it is very short (1.5") and ...
amphibient's user avatar
  • 7,357
0 votes
1 answer
101 views

What tap do I need for this application?

I have some wire shelving units that I would like to extend the poles on to make them taller. The shelves are composed of two vertical poles that are female threaded on one end. The poles are ...
bill333's user avatar
  • 203
1 vote
1 answer
78 views

How can I identify the purpose and terminal location of a PVC pipe from my basement slab?

Our house has a 3 inch PVC pipe running from the basement to an unknown location in the house. It has no T or Y junctions connecting into it. It does NOT go into the attic. The only pipe into the ...
radonhelpplease's user avatar
3 votes
2 answers
333 views

Connecting several threaded plumbing components together

I have a string of brass components I need to connect together. They all have corresponding Male/Female threads, so they all will go together, but is this a good idea? It occurs to me that it will be ...
Sprotty's user avatar
  • 133
1 vote
1 answer
110 views

Calculating gas capacity with mixed sizes of black iron pipes

How do I calculate gas black iron pipe capacity when I have pipes of a bunch of different sizes connected together? Every single chart I found just assumes a long length of a single size. In ...
Ariel's user avatar
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