Questions tagged [copper-tubing]

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3/4" INNER diameter copper tubing couplers

I brought a section of my bursted pipe to a local Ace and was surprised to find none of their couplers fit. Even more surprising is I've not been able [so far] to find couplers online. In both cases ...
WestCoastProjects's user avatar
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1 answer
21 views

Is copper DWV "hard-temper" pipe type M?

I was looking at an FNPT copper adapter online (1-1/2 in. Copper DWV Cup x FIP Female Adapter Fitting) which says "Use with DWV hard-temper tubing" and I'm not sure what hard-temper tubing ...
mr blint's user avatar
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Connecting Large Copper Pipe To PEX With Sharkbyte

I have some 4-6 inch copper piping that I need to replace a portion of. I have looked and can go copper to pex no problem. But is is it possible to go from 4-6 inch copper to PEX? There is a ...
Stanley Jones's user avatar
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On a dedicated hot water recirculation line can you reduce the diameter of the line at a certain point?

Our dedicated recirc line/race track is essentially square shaped with 8' sides. However our sink/dishwasher (1.5TFU) is 25' developed length away. A 50' round trip to make it back to the "square&...
Larry Lupe's user avatar
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Minisplit Install With Thin-Walled Lineset

I'm currently installing a multi-zone minisplit in my home. Unfortunately, I bought the cheapest linesets I could find. The 1/4" line has thinner walls and is very difficult to flare and torque ...
scott's user avatar
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1 answer
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Is Running HVAC Copper Tube Against Roof Deck OK?

I am in the middle of getting a new roof installed, and a nail ended up being driven through the copper Freon line (pic below). It seems really ill-considered to me for home builders/HVAC installers ...
AA040371's user avatar
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Removing old copper threaded fitting to iron T fitting

I have a house with old piping. My well water slowly eats away at copper piping, so after 20 years, the old copper piping is failing. Most of it has been replaced. I am installing a new washing ...
awaykent's user avatar
9 votes
2 answers
5k views

Why do I have extra copper tubing connected to each bathroom sink supply line?

What I'm looking at here? This is a picture of my guest bathroom sink, and the hot and cold inlets are each connected to two or three seemingly redundant lengths of copper tubing: My first guess is, ...
mattalxndr's user avatar
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2 answers
3k views

Fitting needed to retrofit a dishwasher water supply line on copper pipe?

I'm slowly working on installing our dishwasher in a house that didn't have one before. We had an electrician do the wiring and I replaced the sink drains to add a dishwasher wye last week. I am ...
btown's user avatar
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1 answer
932 views

Is it ok to split the hose bib for underground irrigation

I'd like to install an underground irrigation system for 4 zones. There are 6 - 7 sprinkler heads with Hunter MP rotator nozzle per zone. The main poly pipe will be 1" and it runs to the most 1/2&...
Kuraudo's user avatar
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Running line set for minisplit through soffit

I am installing MrCool DIY minisplits. I am wishing that I had just hired a professional, but unfortunately I'm too deep into this to change course at this point. My question is whether it is okay for ...
reynoldsnlp's user avatar
2 votes
1 answer
499 views

Can I install a wall valve for a refrigerator water line?

My refrigerator sits in an alcove and is getting is getting surrounding cabinets. I ripped out the sheetrock behind it, and plan on replacing it with 3/4 plywood to make the cabinets easier to hang, ...
mreff555's user avatar
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1 vote
1 answer
7k views

reuse copper water line for fridge

My current fridge uses copper water line. I ordered a new fridge from Costco and it will be delivered in the next couple of days. Costco offers free haul away and simple installation. I highly doubt ...
Tony B's user avatar
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1 answer
777 views

Copper pipe drain hole attachment to blow out water line?

Trying to winterize better. Copper pipe feeds normal garden water hose. How would one attach an air compressor Attachment to thread on here to blow out water line? to this to blow out? If you ...
rjt's user avatar
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1 answer
93 views

Do Autocutters for HVAC copper tubing exist?

I have an 1/2" HVAC copper tube I need to cut in a tight space. I see lots of 'autocutters' (the rounded cutting devices) for regular copper plumbing, which is measured by ID. Do these cutters ...
scott's user avatar
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0 answers
390 views

Can I use a liquid line with a slight dent?

Installing a mini-split in the US. On the indoor units, the liquid line coming from the unit is 8mm, not 1/4, though it has 1/4 flare fitting. Trying to bend the line into position, I've indented the ...
scott's user avatar
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-1 votes
1 answer
546 views

Lineset sizing for multi-zone mini-split

I'm installing a 48k multi-zone mini-split in the garage. The zones are 18k, 18k and 12k. All of the indoor units say they require 1/4" x 1/2" linesets in the install manuals. The ...
scott's user avatar
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1 vote
0 answers
754 views

How can I decommission a copper pipe through a concrete wall?

A previous owner of my house installed a 1/2" copper tube gas line through the basement wall beneath ground level to install a grill, which an owner after him removed, leaving the line buried. I ...
zaen's user avatar
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1 answer
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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 ...
Oliver Williams's user avatar
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1 answer
496 views

Fix pinhole leak on shower mixing valve

I tried removing the bonnet nut from my old Delta style shower ball valve. I tried blow torching a bit, but in the end used a plumber's wrench and ended up twisting the thin copper pipes from the ...
Rick's user avatar
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3k views

What is best way to crimp a 1/4 inch copper pipe

I need to cut and seal off a 1/4 copper pipe (that contains a gas) so that it's air tight. I bought a crimping tool and a cutter. I plan on heating the pipe, then using the crimping tool (which ...
Hoytman's user avatar
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1 answer
1k views

Does a copper or brass 1/2 or 3/4 to GHT fitting exist? [closed]

I have been searching for this for some time and maybe someone else has seen one. I am looking for a normal 1/2 or 3/4 sweat to 3/4 male GHT (garden hose threaded) fitting, needs to be brass or copper....
Jestep's user avatar
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556 views

How to cap a copper water line to a fridge without turning off water valve

I'm in kind of a difficult situation, I'm moving out of my old apartment and I need to get the fridge out but there is no water shutoff valve in any of the units in my complex. It's an older building ...
Anthony's user avatar
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1 answer
576 views

Copper line to fridge

The copper line in my fridge is cracked and now is leaking, we’ve turned off sadder line and is still leaking a lot. How can we get it to stop leaking without replacing? We don’t mind if our ice-maker ...
Jessica Gasiorowski's user avatar
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1 answer
1k views

Can copper pipe support minor bends and creases?

I have a male threaded adapter for steel pipe on a 3/4" copper pipe. When twisting an extension steel pipe on the fitting, I applied a bit too much force and that slightly bent and creased the ...
amphibient's user avatar
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3 answers
2k views

What to use a 90 and when to two 45s in copper piping? [closed]

I'm replacing the tubing for an outdoor hose and in the wall I found what you see in the picture below. Why did they use two 45s and not one 90? Is there a general guideline for when to avoid 90s in ...
Wynne's user avatar
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1 vote
1 answer
139 views

How to unscrew this spigot?

(From my earlier posts, you may have learned that I had several different bibs cause several different floods in different parts of my house. Each instance posed its own unique challenges. This is a ...
Wynne's user avatar
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1 vote
1 answer
2k views

Should I paint copper pipes exposed to nature?

I'm using copper piping -- about 5 feet total -- externally, to make it easier to water the grass. In addition to copper pipes, the connectors and valves are brass (Sharkbite). Should I prime/paint ...
Mikhail T.'s user avatar
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2 answers
11k views

Can I raise an A/C Unit and platform up maybe 5 inches without disconnecting anything?

I know there is refrigerant in the a/c unit. I know there is a copper wire connecting the unit to the house. From what I am reading and from the videos I have watched, I can put a 4 by 4 under the ...
Brian Flynn's user avatar
1 vote
2 answers
9k views

Sealing a water pipe leak with hardening compound without disassembly

I would like to seal a threaded fitting without disassembly. In the past, I have used some kind of hardening substance that could be used to stop leaks on water pipes. This is, of course, not "...
Dale's user avatar
  • 332
0 votes
2 answers
7k views

Straightening a bend copper tubing of an air conditioner filled with refrigerant

I have a bent copper-tubing of an air conditioner filled with refrigerant that I want to straighten (because I need make some space for mounting a curtain rail). Now, I'm fully aware that it is not ...
Daniyal Nasir's user avatar
1 vote
1 answer
328 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 ...
David's user avatar
  • 113
2 votes
2 answers
8k views

Installing PEX pipes close to heating vents

We are renovating all the bathrooms in our house that was built in the early 70s. The plumber has replaced most of the copper pipes with PEX tubing. He has not replaced copper entirely and has coupled ...
user105375's user avatar
2 votes
1 answer
1k views

how do I replace a single union pressure reducing valve?

I see a 115 PSI water pressure at my home. Looks like my PRV is hosed. I am a complete newbie in plumbing, please take a look at the pictures and help me understand what I need to replace the PRV. So ...
Sandy's user avatar
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0 votes
2 answers
6k views

Can you repair a kinked copper pipe?

I have a copper water pipe which has a mild kink in it, very similar to this photo, not even quite as severe: It is hard copper. The kink itself is not causing any problems but in the future I may ...
StayOnTarget's user avatar
  • 5,545
1 vote
1 answer
2k views

How were these copper pipes attached to the T&P discharge valve likely connected?

In the rental house I'm in now, the T&P release valve on the water heater is connected with copper discharge tubing which exits the garage. See this picture . The right-side of the pipe seems to ...
gammapoint's user avatar
1 vote
3 answers
5k views

Installing propane tank to gas range with strange copper pipe

I am replacing a gas range and the gas line that was connected to the previous range doesn't fit into any of the fittings that came with the installation kit or directly into the range (which is how ...
Gab's user avatar
  • 115
2 votes
2 answers
8k views

Can electrical solder be used for joining pipe?

Some background here: I'm an electrical engineer, working on a project that is likely going to require liquid cooling. As part of the installation of this liquid cooling system, a joint needs to be ...
Hearth's user avatar
  • 175
1 vote
3 answers
4k views

How can I cut copper water pipe to add a fitting?

I am used to working with PVC and CPVC, but these are copper pipes that I am thinking about adding in a water cooler that needs a water line. My question is, obviously I can't use the CPVC scissor ...
user2676140's user avatar
0 votes
2 answers
447 views

Copper to PEX connection

I am swapping out an old pedestal sink for a conventional vanity. Currently in place are some 1/4 pex lines that are run through the pedestal. I want to swap the small pex for 1/2” and am fairly ...
Steve Salowitz's user avatar
2 votes
2 answers
1k views

Copper NPT male fitting: accepted practice to sweat to the inside?

My plumber did this and I'm finding it hard to search about, asking for my next project. Here's an example: the 1/2" side of this fitting is 1/2" male NPT, but you can also sweat a 1/2" copper pipe ...
alesage's user avatar
  • 115
2 votes
1 answer
908 views

Crooked compression fitting: leave be or replace again

I installed my first compression fitting (fridge water line) and when I was all done I discovered that it looks like it is slightly crooked. I'm not sure if this means that I bent the pipe or perhaps ...
conman's user avatar
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0 votes
3 answers
1k 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?
Mark's user avatar
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3 votes
3 answers
468 views

Do water lines that contain lead need to be replaced if it doesn't flow out of a valve that I normally drink out of?

A plumber had came to my house to sweat pipes to install a water valve which controlled water going to the garden spigot. Upstream to the valve is a t-joint. The other output to the t-joint went to ...
AndyAndroid's user avatar
2 votes
1 answer
1k views

How do water piping sizes compare?

Comparing different types of water piping is confusing. It seems that a 1/2" copper pipe is not the same size as a 1/2" PEX tube. I've read different things in different places (e.g. forums). Which ...
StayOnTarget's user avatar
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0 votes
0 answers
4k views

Soft copper Tubing for exterior LP Gas Lines

What are the Copper Pipes Connected to the LP Gas Tanks outside coated with? And is it Code That they have to have that coating on them?
brian ahearn's user avatar
8 votes
1 answer
12k views

Why does a water line behind wall of home have capped off areas above supply area that heads out to wall?

I couldn't find an answer to this question using Google. I think it's because I am not sure how to ask the question properly. I am not a plumber but I have seen in my new construction house with cpvc ...
eaglei22's user avatar
  • 1,075
1 vote
2 answers
10k views

What threading type is my ice maker shut off valve?

In my new apartment, I moved in to find the water dispenser in the fridge is not working. I quickly diagnosed the issue by moving the fridge away from the wall and finding that there is a water line ...
Yoav Kallus's user avatar
2 votes
1 answer
3k views

Soldered copper vs threaded copper at shower valve

I am replacing a shower faucet. The previous install soldered the copper to the shower valve but I am considering using threaded copper in case I ever need to replace it. What are the pros and cons of ...
Steve Salowitz's user avatar
1 vote
1 answer
1k views

Best foam for copper wiring insulation in split-unit A/C?

I went to home depot to buy foam insulation for my A/C split unit inverter. It's to cover the copper wire (and other wires) that go from the inside unit (in the room) to the outside unit (in a roof ...
rbhat's user avatar
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