Questions tagged [copper]

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2answers
24 views

Installing Moen Flo with SharkBite. Is this bent copper, soft copper?

I was planning on installing a Moen Flo on an exposed copper supply line using sharkbites, but the pipe was slightly bent to connect it to the branch line. Can anyone tell if this is soft copper just ...
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1answer
55 views

What is this plastic insert inside of copper pipe?

I found this plastic piece inside of a 3/4" copper pipe. Is it a random discovery, or a leftover from the manufacturer, or some type of water reducer?
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1answer
26 views

Where to install water shutoff valve

I'm remodeling a bathroom in a house built in 1993 (Midwest USA). Apparently the plumbers didn't add shutoff valves under the main or master bathroom sinks... I've found plenty of instructions online ...
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1answer
71 views

Can I safely cut a copper compressor pipe with r600a gas?

Can I safely cut a fridge compressors copper pipes if it uses r600a gas. I've read of people taking out fridge compressors but I want to check whether it's safe to cut the pipes like this?
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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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2answers
67 views

Can a solder joint handle torsion force?

I'm replacing the shower mixing valve in my guest bathroom during renovation as the old one had a good deal of surface rust. This is my first time soldering pipes together. I mounted the new valve to ...
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0answers
39 views

Install new Shingles with Copper flashing

I had a roofing company install new roof with new shingles and copper flashing (pictures attached). Can the experts please provide suggestions if the copper flashing looks fine or does something needs ...
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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
34 views

Copper or Aluminum flashing

Which is a better option between Aluminum flashing v/s Copper flashing ? Just spoke to a roofing company, they said copper flashing may spoil/change color of shingles (due to rain) and aluminum ...
2
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1answer
68 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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2answers
81 views

Is a mix of copper and galvanized pipe a problem if dielectric unions are used where they meet?

Over decades, my house has accrued a mix of galvanized, copper, and pex pipe. I've been told that one "should stick to one type of metal in your pipes or use pex." (here) As long as ...
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2answers
748 views

Why won't solder melt on copper pipe?

I have 3/4" copper pipe outdoors (backyard, above ground), and I am adding a couple tee fittings to branch to a different area. I am having a hell of a time getting the solder to melt. My next ...
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0answers
17 views

Proper clearance for a thermowell in pipe T

I have temperature gauge that uses a thermowell to insert into a pipe. It is 1/2" in diameter and I was hoping to use copper tee to install it. However, looking at the well after it's inserted ...
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1answer
39 views

How far should the well for a temperature gauge extend into a 3/4" pipe?

I have a 1/2" well insert for a temperature gauge. I'm connecting it to a 3/4" pipe thought a tee fitting. I've noticed that when it's inserted the well obstructs quite a bit of the inside ...
4
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3answers
387 views

Soldering copper pigtails to aluminum wire

As I prepare to remedy my parent's 1965 home's aluminum wiring I have investigated Copalum and Alumicon. Copalum appears to be unavailable. I've tried a few Alumicon connectors but they take a lot of ...
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4answers
137 views

Should I have all the aluminum wiring removed from my home or just the damaged portion?

My home has aluminum wiring, which was wired approximately 20 years ago. A single line of wiring connecting bathroom geyser caught fire and got burnt. I am planning to rewire my house again. Should I ...
3
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1answer
110 views

Why does light switch not use ground wires inside of box?

I was replacing some toggle type light switches to rocker type and ran into something I thought was unusual. There were 3 switches boxes (2 boxes had 1 switch, and the other had 2 switches) I was ...
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2answers
53 views

Is this plumbing repair sound?

I opened up a wall as part of a project and discovered some obviously newer pieces of copper pipe on one of the water supply lines. The drywall shows evidence of water stains as does the drywall and ...
1
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1answer
87 views

Replacing polybutylene pipe to add a new outdoor spigot (freeze proof sillcock)

I need to replace the entire outdoor spigot (sillcock), the shutoff valve that goes with it (because it is old and leaking), and some polybutylene pipe in the process. I have included several photos ...
1
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1answer
107 views

New ceiling fan socket with copper wiring

I am trying to replace the lightbulb socket in a ceiling fan fixture. The wires coming from the fan are aluminum (I assume bec the wires are silver colored) the wires that came with the new socket ...
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2answers
193 views

Replace corroded copper water pipe

The shutoff valve for my water main has cracked. As part of replacing it, I'd like to also replace the corroded copper pipe connected to it. What would be the best way to replace the valve and ...
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3answers
125 views

Locating burst point in copper pipe

There's a leak, most likely a freeze burst, in a vertical section of 1/2" copper pipe that runs behind some drywall. In order to minimize the amount of drywall that I have to tear out, I'd like to ...
2
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2answers
2k views

How would you repair this copper drain pipe, and how much pipe would you replace?

There is a small crack in this drain pipe, and it's so thin there that I can bend it with my finger. The section that's palpably weak is no more than an inch long. The crack is exactly where the ...
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3answers
171 views

Any issue going from 3/8 to 1/2 copper

Old house has lots of 3/8 water line feeding faucets. I want to replace the shutoffs under the sink but really hard to find 3/8 sweat valves. I don't want to use compression on the copper line. ...
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2answers
2k views

Outdoor copper water pipe

My backyard has existing copper pipes outside that I want to reroute. To keep like with like, I'll just continue using copper. Are there any considerations or special types that I need to be aware ...
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1answer
151 views

Increase 1/2'' copper water pipe to 3/4''

I have a 3/4'' main that comes into the house and then reduces to 1/2''. Then all my fixtures run off that in series. My thought is to i make it 3/4'' copper all the way and then run 1/2'' tees to ...
1
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1answer
87 views

Which copper adapter should I use for tub spout and what is the difference?

I'm going to sweat a 1/2" piece of copper with a Male Adapter Fitting to thread into the drop-ear for my tub spout. I purchased this: 1/2 in. Copper Pressure Cup x MIP Male Adapter Fitting Later ...
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1answer
112 views

How can I change planes with a row of copper water pipes?

I have five 3/4 copper water lines coming into my mechanicals room along the ceiling - so they are nicely lined up in a horizontal plane, parallel to the plane of the ceiling. However, our manifolds ...
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2answers
180 views

Installing Smart Water Monitor/Valve

We recently moved into a new home and have been blessed with sloppy plumbing and high water pressure. The whole home is copper and since moving we have had 3 leaks in various joints. I'm no expert but ...
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4answers
174 views

Connect two pipes that do not line up

Not a plumbing whiz, so I thought I'd pose my issue here. I have a 12in Shark bite sillcock that runs through my brick foundation for an outdoor hose. Once inside, it connects to the existing copper ...
17
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10answers
6k views

What can cause a never-frozen indoor copper drain pipe to crack?

The 1-1/2" copper waste pipe than runs from our kitchen just up and cracked two days ago along its length, and for no apparent reason. The crack is in a section of pipe that runs vertically through ...
5
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3answers
966 views

resoldering copper waste pipe

I've soldered new copper pipe but have never resoldered it. A shiny band of silver solder remains on the end of the copper pipe after an elbow has been removed from it. Does that shiny band have to ...
2
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1answer
101 views

Copper to CPVC transition fittings : allowed by code to be used inside a wall?

Does the Uniform Plumbing Code (US) allow copper-to-CPVC transition fittings to be used inside a wall? Just to be clear, I'm referring to the hybrid fittings that are part brass, part CPVC.
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1answer
1k views

Bond CSST to Water Pipe - Allowed in 2017 NEC 250.104(B)?

I am looking to bond out CSST gas line which is in our crawl space of the house (dirt floor) and the copper water pipe is close by. I was wondering if CSST can be bonded to the copper water pipe in ...
2
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2answers
331 views

Soldering a Tee onto a Copper Pipe That Only Moves About 1cm?

I have a rigid 1" copper pipe that I'm trying to solder a tee onto. It comes off the house and only moves about 1CM up or down. I've already cut it to test how rigid the two pipes were. This isn't ...
4
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1answer
67 views

Inserting a Tee In 1" Pipe for an Air Compressor?

I have a copper pipe outside my house that is 1" in diameter (Measured 1.1 inches using a digital caliper) that feeds our house's sprinkler system. My dad uses his commercial air compressor to clear ...
2
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4answers
498 views

Heat transfer to adjacent solder joints

If I want to remove a soldered joint in a shower valve by heating it and pulling it, would that heat cause damage to the other soldered joints about 2-3" away on the valve?
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1answer
224 views

Attaching a coupling to a copper pipe

I am trying to install a standing bottle-less water filter in my house and the hoses beneath my sink are incompatible with the adapters that come with my filter. My fridge does not have a water ...
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2answers
625 views

How to paint a copper sink

I have a black colored copper sink and thanks to lye that I poured to fix a slow drain, there has been a discoloration . How do I paint it back again?
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7answers
7k views

Repair tiny hole/scratch in copper pipe

I discovered a very tiny hole/scratch in a copper pipe in my basement this morning. It looks like the scratch was caused by a screw that was holding up some wood paneling. The hole is in the middle of ...
0
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1answer
460 views

DIY copper lamp earthing

I'm planning on building a copper pipe based lamp along the lines of this: https://www.instructables.com/id/Copper-Pipe-Table-Lamp/ I currently have a lamp holder terminal of this brand: https://s-...
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1answer
434 views

Appropriate copper pipe length for shutoff valves

We recently renovated our home and paid to have the plumbing roughed in. I am planning to try and tackle the kitchen sink installation. I have 1/4 turn angle stops for the hot/cold water for the ...
2
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1answer
3k views

Confused about CO/ALR devices versus AlumiConn and Copalum

Our 1960's house in California has aluminum wiring. When we bought it 15 years ago, I wanted the nicer Lutron receptacles and light switches, so I rewired all the outlets and switches using twist ...
2
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1answer
112 views

I'm replacing the under-sink pipes, and I'm confused what connector this is

I'm replacing the pipe under the sink after it cracked. I thought I had figured everything out, but the connector I got doesn't fit due to this non-threaded copper bit above the threads, is it ...
2
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1answer
143 views

Modern half-bath copper DWV configuration

First off: I KNOW PVC is fine. I KNOW PVC is cheap. I KNOW PVC is fast. I KNOW PVC is more flexible. I KNOW PVC would still be working [sarcasm] 300 years after I'm dead. Now that I've sufficiently ...
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0answers
50 views

How to properly seal water supply line in block foundation

There was an old rag and some very old concrete around this water supply line entering the house. I would like to reseal it, but I am not sure what to use. Should I use hydraulic cement or something ...
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1answer
230 views

Copper water water line is out of round slightly

Copper pipe water line is out of round....can I still use a compression fitting valve and just add some teflon tape at the compression nut to ring seat fit. it is slightly oval. I noticed a slight ...
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3answers
894 views

connect copper without soldering

I need to connect bow copper as on the picture with a copper pipe, and I'd like to avoid soldering. Is there a special tool for this?
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1answer
715 views

Do I need a regular Tee or a Slip Tee to add new line (pex) to existing line (copper)?

I'd like to cut into an existing hot water (copper) line to add a Tee and run a new hot water line to somewhere else in the house. Do I need a regular Tee or a Slip Tee? I'll be using Sharkbite ...
2
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2answers
1k views

cold water too hot in AZ—worth it to insulate attic copper?

All of my plumbing runs through copper lines in an accessible attic in a 1960's slab-on-grade ranch style home in Phoenix, AZ where I don't need to tell you how hot the attic can get for a huge chunk ...