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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Flowmeter recommendation for PB-piped house leak detection

I have a 1987 manufactured home plumbed with (gray) polybutylene piping. It's on a private (no-chlorine-added) water well. The pumphouse is remote from the house by about 50 feet and contains the ...
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1answer
21 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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35 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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13 views

How to run new exterior A/C drain line

I'm trying to replace my A/C drain pipe. It was draining into an old PVC pipe contraption that did nothing - water was leaking all over the brick and foundation. I pushed the PVC to the side and ...
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1answer
57 views

How to verify water source entry point into home?

A slab leak is forcing a bypass-repipe. See photo: Is the copper pipe (shark-bite?) the terminal of the slab that feeds water into the home through the small white PVC pipe? What can be done to ...
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2answers
53 views

Selecting water pipe for bypass

A 30 year old building has a history of slab leaks and has been repiped. The final line in the slab has begun leaking. Repiping involved piping in the attic: I want to minimize the probability of a ...
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1answer
37 views

Can I use a plastic basin positioned near joists to compensate the lack of slope in a ceiling condense drain?

Is this a design that is acceptable? Basically I am building a small box that will collect water pumped up by the condense drain. I will put this up in the ceiling in the furnace room just between the ...
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2answers
63 views

How to fix loud foghorn noise from shower when going from hot to cold water?

A new housemate likes to end her warm showers with a run of cold water. We've noticed there is a very loud whining/foghorn noise after she switches from hot to cold water, for the duration of running ...
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2answers
45 views

Can a PVC sprinkler pipe that is encased in concrete have restricted preasure due to the concrete?

A metal post was installed in concrete for a fence. There is an existing PVC pipe that controls the sprinkler that is now in-cased in the concrete that was poured for the post. Can the concrete that ...
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2answers
144 views

How to seal these sewer clean outs?

I have these caps just outside of my house that I’m assuming are sewer clean outs. The problem is the pipe is all corroded and the caps are PVC that are just set on top of it. They don’t seal as there ...
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1answer
64 views

How to seal around metal gas pipe penetration through poured concrete above ground?

I have a gas pipe that comes through my poured concrete foundation about 12 inches off the ground: It is not sealed around the pipe on the outside. The gap is definitely large enough for insects to ...
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2answers
537 views

How can I temporarily support a PVC pipe in use as a delivery mechanism? [closed]

I would like to use a PVC pipe to send candy to kids 10 feet from the door on Halloween. I'd put candy in the high end and it would come out the low end into the kid's candy bag. I could use help in ...
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1answer
27 views

Vent Pipe Replacement In Attic

The cast iron portion of the vent pipe in my attic has rotted off. I need some guidance on how to go about replacing the cast iron portion with PVC. Particularly, I'm unsure of what diameter PVC I ...
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1answer
38 views

How to replace this old backflow preventer with new one

I want to replace this old broken Pressure Vacuum Breaker Valve with new one. Problem is that all the new ones at HomeDepot and Lowes have outflow on the left side. Can someone show me with a sketch ...
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5answers
4k views

Does a drainage pipe need to be continuously sloped?

I need to move water from the back yard to the front yard, to combat the monsoon season, in which a 50 gallon container in the backyard can fill up in 1-2 minutes. I bought some 4" piping, and ...
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1answer
43 views

is this video representative of good technique for working with gas pipe

https://www.youtube.com/watch?v=vEdaICxZnug Curious if you can 'horse' on the pipe that much and its ok. More specifically, when he is tightening the pipe back together, he is moving the existing ...
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3answers
2k views

There is a pvc pipe that goes into my floor next to my water heater and central ac unit and its overflowing..but why?

Let me start by saying i'm not a plumber nor have i done HVAC. Last night i walked in and noticed I've have a leak in the corner of my living room so i looked for where it was coming from and on the ...
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0answers
48 views

Can I mix galvanized and black (iron) pipe when plumbing for new gas service?

I'm getting new gas service (Nat. Gas, M425, 1-1/4") installed. Big Box Store doesn't sell 1-1/4" black pipe (only 1"), but they do sell 1-1/4" galvanized. Can I run galvanized for ...
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2answers
50 views

Tub faucet pipe too long

I'm trying to replace my tub faucet because the old one sat about 1/8" away from the wall and felt loose. As it turns out this is most likely because the pipe coming out of the wall is 1/8" ...
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4answers
99 views

How can I repair a split copper pipe in place?

I have this exterior hydrant. If you read the reviews, you'll see that it's prone to a split inlet pipe. It's happened to me too. The pipe is actually part of the valve. Water doesn't come gushing out ...
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16 views

1/2 Inch CSST vs 3/4 inch pipe for isolated 45 ft run from LNG Meter to 71000 total BTU stove?

Adding NG stove to existing service. Significant price difference in quotes. What risk do we take going with the smaller diameter CSST over the pipe? There will be four 90 degree turns over 45 foot ...
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0answers
20 views

Gas pipe trap nipple relative to flow direction

I know that a natural gas black pipe requires a 3-4" trap nipple below the turn when the flow in the pipe changes direction from vertical to horizontal, in order to catch possible particles ...
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1answer
74 views

What is this pipe coming from the basement wall?

Trying to figure out what this pipe is for coming out of our basement wall. House was built around 1980. We purchased about 4 years ago. Home has well and septic. Well pump and pressure tank is nearby....
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1answer
78 views

Is this copper piping?

Is the pipe in the picture copper piping? House is from 1962, I assume this is original piping. The valve is leaking and I want to replace it with a sharkbite valve
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1answer
52 views

Minimum vertical pipe height under kitchen sink drain

Is there a minimum height that the pipe directly under the kitchen sink drain needs to be, before it bends (in my case to the left)? Here is a picture of what I have (first image), and then a picture ...
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1answer
22 views

Installing shower filter - NPT adaptor for larger intake?

I am in the process of installing a shower filter, and am encountering a challenge where shower head and water pipe are not NPT. The shower pipe has a slightly larger female "wrapper" (...
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3answers
2k views

A 1“ T fits the pipe and a 1” valve does not, why?

Both of these are labeled 1". The T on the left fits the little bit of grey pipe. The valve on the right is too small. What am I missing?
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1answer
52 views

How can I best prepare a nozzle for a gas cooktop so it doesn't lock into place?

I have a Bosch cooktop, and several of the igniters have stopped working. I'd replace them, but the venturi nozzle that holds the burners in place has gotten completely frozen in place. This is the ...
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1answer
78 views

What is this pipe near gutter?

I just bought a house and there is this pipe near a gutter. Any idea what it might be or how I would go about finding out?
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1answer
101 views

What is this 4-1/2 inch Vertical metal pipe doing in my garden?

This 4 1/2 inch vertical metal pipe is sticking up a foot out of my garden. The previous owner of the property didn't know what it was for. It has 2 hose clamps on it and a cap with a square nipple. ...
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1answer
26 views

Can mould be leaking through pipes cracks/holes?

I know that mold is definately leaking through some of the deep holes in my flat. You can see brick in the holes as well as space for air to travel. Can pipes with cracks and holes behind them also ...
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1answer
82 views

Drainage pipe to nowhere

For the last year, one of my gutter is constantly clogged and overflow. The gutter is almost impossible to reach so I had to hire someone to clean the gutter. Last weekend I decided this was enough ...
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1answer
38 views

Will water tank pressure vary by tank platform height?

We have a water tank (1000 liters) in our slab with extra 5 feet height and want to connect another tank of same quantity in slab(no extra height), like this: Water pump input > tank1 > tank2 &...
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23 views

Noisy heater pipe

A 4" PVC pipe connected to a heater in a basement. The pipe passes through a wall to the street level. When the heater operates (2-3 hours a day) there is a high pitch sound coming from the pipe. When ...
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1answer
37 views

My water pipes seem to be NPS sizes, can this be right?

The plumbing in my new house is from the 1950s and I need to replace a section of it, a few feet of what I think is size 3/8 inch NPS. I figured this would be a simple matter, but I am completely ...
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1answer
46 views

What is the purpose of prohibiting union coupler in concealed area?

I was reading about natural gas union coupler and left-right coupling vis a vis concealed locations. Setting aside the seemingly mixed regs around the country regarding usage/prohibition of them, in ...
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3answers
2k views

Turn off hot water without hot water valve

I have a leaky pipe on the hot water side that I'd like to fix. Following the pipes back to the water heater, I don't think there's a shutoff valve installed anywhere in the line, not even at the ...
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0answers
33 views

How fix a smoothie drain pipe in kitchen double sink

To solve the problem is de 2 draining pipe are draining too slowly ;DOUBLE SINK WITH DRAIN HOLE 40mm ;can I joint the two sink drain together with T-fitting at the center of the 2 sink and then out ...
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0answers
56 views

What is this screw doing on the gas pipe nipple?

What is the screw, on the gas meter nipple, for? Also, is that nipple black pipe painted grey? or not black pipe? sorry for out-of-focus image.
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1answer
44 views

Drain pipe under sink separated, how to fix?

What would be the best way of reattaching this pipe? Found some of this product in the tool cabinet, would it be appropriate to use here?
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2answers
30 views

Is it safe to use a polyurethane faux beam to hide an asbestos insulated (and wet-wrapped encapsulated) heating pipe?

I am planning on finishing my basement and there is an asbestos insulated and wet wrapped encapsulated steam heat pipe that runs the length of my basement. I found a 3 sided faux wood beam that would ...
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1answer
33 views

Pipe under bathroom sink has small hole

One of the pipe under my bathroom sink has small hole and it sprays water as soon as i start/open faucet. Red circle in above photo shows where the hole is. Which pipe is that? Where can i find that ...
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23 views

What type of burner ring and gas line do I need for NG fire pit?

I'm planning an instal for a natural gas fire pit in my back yard, and trying to determine what I should be looking at for parts and sizing, as well as what i can expect as the final result. Just so ...
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1answer
41 views

attaching a coupling to copper pipe very close to wood

I have a copper pipe connected to a pex pipe by a leaking sharkbite fitting. I'd like to replace the sharkbite fitting with something more permanent. However I'm not sure if it's safe to use a ...
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1answer
87 views

Pipe on the wall. Water keeps running

Please help me to figure out about this pipe. In our hosue, We have the water pipe coming out from the wall right next to the A/C unit. Recently, the water start running constantly, and I have no ...
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1answer
27 views

Remove 1.5” spa pipe fitting from PVC pipe WITHOUT damaging pipe

Have a 1.5” compression collar for a spa circulation pump. Whoever installed it crushed the shoulder behind the “O” ring. Need to remove it without having to buy a “pipe parana” for $140. Have to ...
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2answers
247 views

Is this DIY pull up bar and dips station structurally sound and is it a good solution?

The gyms in my area are closed. I am renting a house, so I can't permanently attach anything to my residence. My back yard is small and lacks trees of any size or any secure mounting points. So, I'd ...
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2answers
36 views

Keeping a Threaded Pipe at 90 degrees

I recently demo'd a bathroom that was using a "rustic farmhouse" galvanized shelving unit. I took this unit off and was hoping to re-install. Ideally, the elbows would thread in so when they are ...
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1answer
36 views

Fixing a roof solar heater

At the end of the season last September the highlighted joint in the roof solar heater was gushing a fair bit of water whenever the pump was turned on. The joint is now still dry. Is it reasonable to ...
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0answers
68 views

What is this 5' Tall Pipe on the Side of my house (1973/South Florida)?

I just bought a home built in 1973 in South Florida. There is a pipe protruding from the ground on the side of my house with all the utilities. It's about 5 feet high. Any idea what it is? Who should ...

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