Questions tagged [pex]
PEX (cross-linked polyethylene) is a flexible plastic pipe that has gained popularity due it being cheaper (and often easier) than copper or PVC. Use for questions about working with the pipe, and use with the [plumbing] tag
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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 ...
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Main Water Line coming into House leaking/rusted out - How to replace and with what?
We just purchased a home in Joshua Tree, CA and the main water line coming into the house after the exterior shut off valve is leaking a lot. The concrete over part of it came off and I am able to see ...
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Very low hot water flow in single fixture
I have very low hot water flow (0.7 GPM) to my master shower. Other fixtures served by the same hot water line get about 2.5 GPM hot water or more.
I suspect that there is a kink in the final PEX run ...
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Connecting new fridge to existing pex
I'm looking for a good way to connect a new fridge with water to an existing pex pipe. I previously did not have a fridge with water.
Backstory, years and years ago, the contractor remodeling my ...
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Should I redo this Pex-A fitting?
I'm new to Pex A. I put this Tee together, and didn't get the line at the center of the tee seated fully before it gripped. It is not leaking, and has been holding fine for 2 days. Is it good ...
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Outdoor kitchen cold water supply hookup and housing
I need to hookup a recently installed outdoor kitchen faucet and two (total) hose bibs from an existing 1/2" galvanized pipe to the exterior.
In summary - 3 locations:
hose bib attached to home
...
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How do I stop violent pulsing in my water lines?
I am on city water. I recently replaced my galvanized pipe water line with PEX in my home (every fixture), and I now have violent pulsation in my water lines when I turn on a fixture. The PEX is well ...
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Can I connect PEX to any sink shutoff valve?
Had to disconnect my dishwasher for a kitchen project, my existing supply line is in bad shape, bought one of those Dishwasher kits that uses PEX (see https://www.homedepot.com/p/SharkBite-1-2-in-...
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3/4 Black Poly Main Line Replaced With 3/4 Pex
Due to many leaks in the existing main supply line, plumbers have replaced my 3/4 black poly line from the meter in to my house with 3/4 pex. Existing line was about 25 years old.
The new 3/4 pex line ...
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Can the pump in a hot water recirculation system handle a large descent/ascent in the race track?
Based on the Uponor logic system, our "race track", for the hot water recirculation line, would have to shoot up (vertically) 4', over 25' (horizontally), and then down 7' and back up 7' (...
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Are all PEX-A pipes from one brand to the next built to the same standards?
I've read that Uponor PEX-A has what's called "undulations" on the interior which causes imminent failure when exposed to chlorine and a current class action lawsuit claiming the patented ...
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Pex pipe to garden: Best way to connect to hose bib at house
I want to connect a 150-200' run of pex from my house hose bib out to the garden. I should probably take the hose bib off and attach another device to the copper so I can keep the hose bib and supply ...
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Pex pipe to garden. What are advantages of 3/4 in vs 1/2
I have read many posts similar to this, but have not drawn a conclusion.
My hose bibs are 1/2.
I am running pex out to the garden. Probably 150-200 foot run, connecting 2-3 garden hose bibs.
I know ...
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Can I run pex in my attic and cap the cpvc lines in the foundation?
I live in South Florida near Jupiter. I bought a house that was built in 1997. All original plumbing is cpvc. I have heard horror stories of both slow and catastrophic leaks in the neighborhood. I ...
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Normal for PEX-B fittings to rotate in tubing after crimping with copper crimp rings?
Is it normal for a PEX-B fitting to be able to rotate in the tubing after crimping with copper crimp rings?
I’m using Apollo fittings, tubing, and copper crimp rings along with the IWISS iCrimp angle-...
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Connection between Copper and Pex pipe broke in extreme cold
During extreme cold month of Feb in East coast, my baseboard radiator pipe broke, basically the connection between the copper and pex pipe broke and water leaked all over.
I called a contractor and ...
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Install outside spigot from PEX piping
I want to install an outside spigot from my PEX piping inside the house. The previous line was extracted, and I can't find where it was to follow that same route. However, my basement window is ...
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What conditions cause issues with bacteria in supply pipes other than copper such as PVC or PEX?
I know that copper is naturally antibacterial, and that seems like an advantage of running copper pipe.
If PEX is becoming more common, how are problems with bacterial growth inside the pipes being ...
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How can I close a quarter turn valve?
I've been trying to figure out how to shut off this water supply line. Doesn't matter which way I turn it it does absolutely nothing. It still fills up and acts in exactly the same way.
It is a ...
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Is it a problem that a PEX crimp isn't over all three barbs of a valve nipple? [closed]
My question is whether I should completely cut out and replace a PEX B copper crimp connection to a barbed 1/4 shut off valve (for toilet water supply). I didn’t have a lot of pipe length to work with ...
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Is there an specific correct way to split PEX connections?
I currently have a hose bibb on one corner of my house, and want to install one on each corner.
We have 3/4" pex under the house, and I am wondering if there is a correct way that the connection ...
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Do sink shut-off valves have to be centered under the sink, one on left and one on right?
I’m re-doing a small bathroom and because of size constraints need to route both shut-offs on the left side under sink one above the other. They will be hidden and accessible inside the vanity. Is ...
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How do you connect things to 1/4" PEX?
I'm currently doing research on an upcoming major re-plumbing project, and have run across a bit of a mystery...
Lowe's sells these riser supply lines (faucet version, toilet version) that are ...
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Should I re-do this cinched PEX connection?
It is tight against the connector on the other side, but not quite even on this one. (See pic). It is not leaking and seems to be working well. Just don’t want issues down the road and don’t know how ...
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Shorten hansgrohe techniflex hose?
I'd like to shorten a Hansgrohe Techniflex hose. The spot that the pipe nipple comes out of the wall is too low and the handshower can hit the tile.
Here's a pic. I already broke one hand shower this ...
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Bonding wire on copper pipe
The previous owner of my house (built in 1999) started replacing the copper water lines with PEX. There’s a bonding wire connected to a section of copper pipe that runs from my kitchen sink, but that ...
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Options for connectors/couplings for polyethylene pipe
A while back I asked a question about which type of pipe to use for running above ground water to a house. I've decided to use 1-1/4 inch IPS 160 psi NSF Polyethylene Pipe.
Are there better options ...
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How do you cut pex-al-pex or pe-al-pe?
The tubing pex-al-pex has an aluminum layer in it. This question is about tubing with an aluminum layer inside and not, not regular PEX-A or PEX-B.
My house has (or had) kitec pipes. I'm in the ...
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How long should you wait after you set a cold-expansion fitting before pressurizing the system?
Some people online say you should wait after using cold-expansion fittings before adding pressure to the system. With Uponor pipe, is there any guideline on this?
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Why can't you use PEX between tub and shower valve and the spout?
This took me by surprise, but I was reading the Residential Installation Instructions for Uponor PEX A, and it says,
Do not install Uponor AquaPEX pipe between the tub/shower valve and tub spout.
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Outdoor plumbing using pex pipe
I live in Portugal and moved into this house a few weeks ago where the plumbing was renovated by the previous owner using PEX pipe.
The plumbing is all outside of the walls, including before it enters ...
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No hot water from wall feed into washing machine?
I have a basement laundry room with washer/dryer and utility sink.
I am receiving no hot water flow out of the valve for the washing machine. I have checked the hose from the wall to washer and it is ...
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Can I migrate from Kitec to PEX in gradual stages?
My house has Kitec plumbing. I would like to replace my main runs which are 3/4 inch hot and cold water; these 3/4 runs are the ones that run in the ceiling. This leaves the runs in the wall for later,...
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How can I identify new & improved PEX plumbing materials with less fracturing & chlorine/chlorimene degredation issues?
Just bought 14 year old 3,200 sq ft,(3-Bed,3-Bath) house & may have to work on the PEX plumbing issues. I have read a lot about class action law suits, relating to (PEX-A Pipe fracturing, ...
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Is converting 3/4" copper to 3/4" PEX okay for small home?
Should we up-size when converting from 3/4" copper to pex around water tank?
I am replacing a leaky valve on a section of 3/4" copper pipe on the feed-side of my water heating tank, with PEX-...
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How best to brig old Pex water lines up to code / safety
My house in in western New York state. I'm trying to deal with the hack job that the previous owner or flipper did on my house with respect to the water supply lines in the kitchen (hot to sink, cold ...
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Frozen PEX piping
We recently did remodeling and replaced copper piping with PEX. The kitchen and master bath are both on an exterior wall. We are in cold climate and we have had 2 days of extreme cold (-10 to 3 ...
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How to disconnect this pex toilet water supply hose
I recently installed a new toilet and the old water supply hose doesn't reach. So I bought a new longer one and wanted to swap it out.
The old hose just doesn't want to release. I've pulled it, tried ...
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In order to avoid shutting off water to the whole house, can I temporarily terminate a PEX pipe at a closed shut-off valve?
I am helping the in-laws remove their countertops and disconnect their kitchen sink in preparation for new countertops and a new sink. The only wrinkle is that the existing sink does not appear to ...
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Should I upsize my PEX plumbing when adding a bathroom?
I'm in the process of adding 1 more full bathroom and a bar to my house. As I've been researching how to go about, I've stumbled upon this resource for sizing the PEX pipes.
It says my current setup ...
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MIP threaded pipe in NPSM female threads
I'm installing a freestanding tub faucet. According to the manufacturer's spec sheet the supply lines have 1/2 inch female NPSM threads, which I believe is a straight thread. I'm trying to attach ...
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Is this a PEX line with a compression fitting leaking?
This section of pipe is the incoming main to the house. I believe it's PEX but need confirmation. It transitions here to copper throughout the rest of the house. Anyway I replaced inline the PRV right ...
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Need help planning reroute of cold water line
Recently purchased a house and am in the middle of replacing the lead water service line along with what I think are more lead pipes.
From the water service line, the pipe goes underground then re-...
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How can I create a plumbing disconnect for winterizing a cottage?
I have a summer cottage where, each year, I need to unhook a few pex connections to drain the system so that it doesn't freeze.
I'm re-working the system this spring, and want to design it so that it'...
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Which is better, brass or plastic fittings for pex-a pipe (which uses expansion fittings)?
We are replumbing an old house with pex-a in a north central Texas. I have seen pros and cons for using brass vs plastic fittings. There does not seem to be a consensus on the best choice. Price is ...
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Two reducers in-line from air compressor to air tool?
Previous house owner run PEX pipe in the garage from a 60 gal air-compressor to multiple hose reels. One of them developed a leak and I had to cut through copper pipe to remove it - it was all hard-...
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PEX Homerun vs T&B with 1/2in Supply
I'm adding a small bathroom to my detached garage. I've read lots on home run vs trunk and branch, I've got a pretty good idea of the pros and cons of each.
Issue for me is, I've got 1/2in copper ...
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Elbow or just bend PEX pipe through wall
I have this PVC piping:
It comes out the basement wall, up the exterior wall, and then back through the bathroom wall.
One pipe is carrying hot water, and it's leaking so I want to change for more ...
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How to have a tub faucet, shower head, and rain shower head?
I am remodeling my bathroom and installing a new bathtub. I would like to have the tub outlet, a shower head outlet, and a ceiling rain outlet. I would like to use the rain shower head and the normal ...
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How do I connect Pex Line to Braided Hose?
I have a singular Pex type B hot water line running to my sink specifically for dishwasher hookup, however my dishwasher has a threaded hose line running from it to reach the sink. How/what do I do to ...
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