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Old 05-20-2012, 04:10 PM   #16
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Which pex system?


Quote:
Originally Posted by jaydevries View Post
do not forget the press style which is my favorite to use
http://www.viega.net/xchg/en-us/hs.xsl/7546.htm
I had never even heard of the press style until Cossack posted his youtube link and now your post. I found another link on youtube on how to make press connections:



Thanks for posting your link,
HRG

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Old 05-20-2012, 04:49 PM   #17
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Which pex system?


i have seen pull test where they pressed a 1/2" npt on both sides of a piece of pex. the screw them in a hydraulic spreader and pump it until the pex stretch to a 1/8 of an inch then broke. never pulled pipe out of fitting.
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Old 05-20-2012, 06:24 PM   #18
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Which pex system?


I have personal experience using the Wirsbo system (expansion) and two sharkbites I use for PEX disconnects. I have never had any problems with the installation part of the Wirsbo process, however the tool cost me about $300. No complaints there, it works well. However, I have had problems with brass Wirsbo fittings exhibiting early corrosion, and there was a lawsuit involving Wirsbo brass fittings (and a similar lawsuit involving Zurn brass PEX fittings). I now use exclusively polysulfone plastic PEX fittings made by Uponor, and have had not problems with them in the last two years.

As for copper, it is a great material, however it typically requires sweat fittings, which take longer than PEX, and the copper itself is much more expensive. I still have a few lengths of copper in my house, however I had to replace most of the copper due to pinhole leaks that developed due to acidic well water. Of course, this took about 45 years to develop (1959 house), so one could say the copper lasted a long time. I hope to get as much mileage out of the PEX.

I have also used sharkbites as PEX disconnects, since Uponor does not make a disconnect to the best of my knowledge. They worked very well, however they are much too expensive to use as the standard fitting. I have no personal experience with the crimp rings.
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Old 05-20-2012, 07:50 PM   #19
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Which pex system?


Does anyone have experience with the clamp method as discussed in the video? I like methods that are fast and inexpensive. I can't see paying $300.00 for one tool. I only replace the copper that typically gets stolen from the empty houses, so It is not like I am replacing all the plumbing.

Thank you to all who help.
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Old 05-20-2012, 09:24 PM   #20
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Which pex system?


Quote:
Originally Posted by Cossack View Post
Does anyone have experience with the clamp method as discussed in the video? I like methods that are fast and inexpensive. I can't see paying $300.00 for one tool. I only replace the copper that typically gets stolen from the empty houses, so It is not like I am replacing all the plumbing.

Thank you to all who help.
correct me if I'm wrong-
Cheapest to most expensive:
cinch method, one tool for multiple ring sizes
crimp ring method, tool for each ring size
expansion method, one tool with different heads according to pipe size
Each system has it's pros & cons
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Old 05-20-2012, 09:44 PM   #21
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Which pex system?


i used to use the stainless steel cinch ring never had problem. i switched to viega since it is in my opinion the best system
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Old 05-20-2012, 10:09 PM   #22
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I've used the crimp system extensively and it has worked quite well. Oh, and I've seen that you can rent rent the crimp tool for each pipe size at your local big box when you pick up the fittings.
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Old 05-21-2012, 10:05 AM   #23
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Which pex system?


Quote:
Originally Posted by Cossack View Post
Does anyone have experience with the clamp method as discussed in the video? I like methods that are fast and inexpensive. I can't see paying $300.00 for one tool. I only replace the copper that typically gets stolen from the empty houses, so It is not like I am replacing all the plumbing.

Thank you to all who help.
If you don't have access to the proper fittings and pipe for any system other than the crimp system, then I don't really see what the point in discussing it further is.

I personally think that the crimp is inferior to the wirsbo expansion system and the press system. I would guess that the press system is probably considerably more expensive due to the nature of the fittings.

I haven't seen you mention CPVC. That would be an easy diy job, and no real tools required.
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Old 05-21-2012, 10:06 AM   #24
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Which pex system?


Quote:
Originally Posted by Daniel Holzman View Post
I have personal experience using the Wirsbo system (expansion) and two sharkbites I use for PEX disconnects. I have never had any problems with the installation part of the Wirsbo process, however the tool cost me about $300. No complaints there, it works well. However, I have had problems with brass Wirsbo fittings exhibiting early corrosion, and there was a lawsuit involving Wirsbo brass fittings (and a similar lawsuit involving Zurn brass PEX fittings). I now use exclusively polysulfone plastic PEX fittings made by Uponor, and have had not problems with them in the last two years.

As for copper, it is a great material, however it typically requires sweat fittings, which take longer than PEX, and the copper itself is much more expensive. I still have a few lengths of copper in my house, however I had to replace most of the copper due to pinhole leaks that developed due to acidic well water. Of course, this took about 45 years to develop (1959 house), so one could say the copper lasted a long time. I hope to get as much mileage out of the PEX.

I have also used sharkbites as PEX disconnects, since Uponor does not make a disconnect to the best of my knowledge. They worked very well, however they are much too expensive to use as the standard fitting. I have no personal experience with the crimp rings.
Daniel,

What do you do for transition fittings?
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Old 05-21-2012, 03:04 PM   #25
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Which pex system?


Quote:
Originally Posted by Cossack View Post
Does anyone have experience with the clamp method as discussed in the video? I like methods that are fast and inexpensive. I can't see paying $300.00 for one tool. I only replace the copper that typically gets stolen from the empty houses, so It is not like I am replacing all the plumbing.
Quote:
Originally Posted by Alan View Post
If you don't have access to the proper fittings and pipe for any system other than the crimp system, then I don't really see what the point in discussing it further is.
+1.

Also, since this is for rental properties, why would the cost of a $300 tool be a deterrent?
And, if the parts for a particular system are available at a plumbing store near you, why not drive to it instead of driving to a big box store?

Just saying,
HRG
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Old 05-21-2012, 04:40 PM   #26
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Which pex system?


Transition fittings from copper to PEX in the Wirsbo system require a sweated on brass transition fitting. I have a few of those in my system, they have not been a problem to date.

As for the $300 cost for an expansion tool, that may be a significant issue for a homeowner doing a small project, but I don't see why that cost is significant on a large project. I replaced all of the copper pipe in my house, and the $300 was a relatively insignificant cost compared to piping, hangers, fittings, valves, and disconnects. To my mind, the critical question is how well the installation works, and I have no complaints at all about the Uponor system, it is essentially foolproof once you have practiced on a couple of fittings. I have heard anecdotal stories about issues with crimp ring tools not being perfectly calibrated, causing occasional leaks. One leak that requires an extra two hours of repair would essentially equal the $300 cost for a tool.
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Old 05-21-2012, 07:01 PM   #27
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Which pex system?


Quote:
Originally Posted by Homerepairguy View Post
+1.

Also, since this is for rental properties, why would the cost of a $300 tool be a deterrent?
And, if the parts for a particular system are available at a plumbing store near you, why not drive to it instead of driving to a big box store?

Just saying,
HRG
Why spend $300.00 if other systems are less and still work? I simply do not subscribe to the idea that more expensive is ALWAYS better. I think a lot of guys want what I call the GEE-WIZ factor where they like the idea of getting a “brand new tool”, i.e. toy to play with. I do not care about that. I want to make as good a return on my money as possible. That means being what I call efficiently effective. Just becuse a system is "not as good" does not mean it "does not work."

Plumbing stores are notoriously overpriced. I have found good value at Home Depot and Lowes.

Last edited by Cossack; 05-21-2012 at 07:04 PM.
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Old 05-21-2012, 09:02 PM   #28
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Which pex system?


Quote:
Originally Posted by Cossack View Post
Why spend $300.00 if other systems are less and still work? I simply do not subscribe to the idea that more expensive is ALWAYS better. I think a lot of guys want what I call the GEE-WIZ factor where they like the idea of getting a “brand new tool”, i.e. toy to play with. I do not care about that. I want to make as good a return on my money as possible. That means being what I call efficiently effective. Just becuse a system is "not as good" does not mean it "does not work."

Plumbing stores are notoriously overpriced. I have found good value at Home Depot and Lowes.
Note Daniel Holtzman's post #26. I think he was trying to point out how the Uponor expansion system is very conducive for "DIY'ers" to get foolproof results without experience. I totally agree with that premise. One has to actually install a Wirsbo/Uponor system to appreciate how easy it really is to end up with professional results "on every connection". No worries whether a connection was made correctly and the peace of mind is more than worth it.

The different answers you received are just trying to answer your original question: "Which method do you all recommend and why?" But you've decided to go with what's available at the big box stores because it's cheaper and more convenient. There's nothing wrong with that and that's why the different systems exist. It's just not what some folks recommended.

Good luck with your endeavor,
HRG

Last edited by Homerepairguy; 05-21-2012 at 09:15 PM.
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Old 05-21-2012, 09:24 PM   #29
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Ok, sorry if I jumped on my soapbox for nothing, but I thought the Uponor is the expensive method. If I just want inexpensive crimp rings or metal clamps which tool do I get and is it expensive? The video I gave at http://www.youtube.com/watch?v=dVo_0...eature=related does not give the band names.
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Old 05-21-2012, 11:04 PM   #30
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Which pex system?


Is there a reason we are also not talking about CPVC as an option?

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