Beside above, why is PEX plumbing bad? PEX plumbing system has been used for more years and therefore its failures has been observed and known. Its major failures is linked to piping and fitting. Piping fails when the pipes are exposed to chlorine that is within the water, exposure to direct sunlight before its installation.
One common method is to solder a female threaded fitting onto the copper pipe , screw in a male threaded plastic fitting and finish up by gluing plastic pipe to the plastic fitting. The best and most safe option is to use a copper -to- plastic adapter. The bolts have to be tightened evenly. Thread sealants such as joint compound pipe dope or thread seal tape such as PTFE tape are unnecessary on compression fitting threads, as it is not the thread that seals the joint but rather the compression of the ferrule between the nut and pipe.
Connection to compression fitting. Can you use metal compression fittings with plastic pipe? The good: When connections are done properly this should be a quick way to install a PEX system. No special tools are needed to make these connections. Can you use a compression angle stop on PEX? Its gives the pex the strenght to beable to use the compression fittings. What is the most common cause of leaking compression fittings? Over tightening is the most common cause of a leaking compression fitting.
Can you reuse a compression nut? Reusable Compression Fittings: They are safe to be reused and apply to half the movement of the pipe outward from the fitting. In hydraulic process, compression fittings basically assure some secure fit in pipe connections.
Leaks are only possible if they are not properly installed to each end of the fluid line. Iagoba Echagarai Reviewer. Can you use a brass ferrule on plastic tubing? Brass ferrules are normally used on copper tubing and can cut into the soft plastic supply line. Slip a compression nut onto the supply side of the water line, followed by a ferrule.
Gopi Monraba Reviewer. How do you hide radiator pipes? You can box in the pipes. Chia Grossmann Supporter. Do plumbers use plastic pipes? But in the last 20 years, plastic piping has become more common - and is used by both plumbers and home DIY-ers. Roelof Berema Supporter. Can you connect plastic pipe to metal pipe?
Plastic to metal connections are made using threaded connections. A plastic male thread is used to connect to metal female threads. Do not use a plastic female threaded connector with a metal male connector! The standard IPS type threads used on pipe and fittings are not uniform in diameter.
Kelian Haenche Supporter. How long do plastic pipes last? Lead pipes , used in the early s, have a life expectancy of years, but they can leach lead into your drinking water, a potential health hazard.
Lead pipes are typically dull gray and the surface of the pipe can be easily scratched with a knife or key. Erian Poyser Beginner. Can you tee off an existing radiator? Re: Adding a new radiator. Can I tee off existing 15mm pipe? Yes take it off the 22mm, you 'll need to balance the system later.
Make sure you well lag the pipe under the floor and in exposed areas. For a better experience, please enable JavaScript in your browser before proceeding. You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an alternative browser. Plastic pipes with pushfit fittings or compression fittings Vs Copper. I am about to convert a bedroom to a bathroom and vice versa but have a dilemma. I have always used copper pipes and fittings for years but never pushfit. My questions are: Should I convert? Are plastic push fit trustworthy under floors? Will plastic push fittings last the same time as copper and be as reliable?
I would greatly appreciate any advice. You shouldn't have a mechanical fitting in an inaccessible place. I consider that to be under a floor. Plastic pipe is fine. Use joints above floor. I think that plastic fittings are better on plastic pipe as they are not as likely to come undone through movement of the plastic. I prefer copper but do have plastic in my own home.
Compression fittings are fine on plastic pipe but you need the strengthening inserts to stop the olive crushing the pipe thus reducing the internal bore. Best Esteemed. Messages 10, Depends really how good you can DIY in plumbing!
If you can't solder really well, or do the odd final brass connection up that will hold weep free for a lifetime, then maybe you should learn plastic.
If you can do copper well, then why bother thinking of doing just one little bathroom job in plastic? ST said:. Click to expand Last edited: May 4, Plastic looks like a bodge job By this I mean that it doesn't look right. If it's concealed, so what, but if you have to look at it you won't like the appearance. Or perhaps you will. Either way, here are a few observations.
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