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  #1  
Old 06-18-2007, 02:39 PM
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Pex Plumbing?

Anybody here have any experience with the plumbing product, Pex? It sounds like it is much easier to use that copper pipe and has been around for a while, so it's got a track record. It looks like I will have to have my whole house re-plumbed, because my poly-butylene pipes are springing leaks everywhere.

I think you can pull the Pex in the walls similar to wiring.
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  #2  
Old 06-18-2007, 02:48 PM
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My Dad's manufactured home has PEX tubing and the taste/smell it leaves in the water while it stands overnight in the tubing makes it almost undrinkable without some sort of activated charcoal filter.

Based on that, I elected to use CPVC in my cabin.
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  #3  
Old 06-18-2007, 02:51 PM
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That's good to know. Thanks, Randy.
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1998 Lincoln Continental - Sold
Max 1984 300TD 285,000 miles - Sold
The Dee8gonator 1987 560SEC 196,000 miles - Sold
Orgasmatron - 2006 CLS500 90,000 miles
2002 C320 Wagon 122,000 miles
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  #4  
Old 06-18-2007, 02:59 PM
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What would you like to know -- I can say, I know quite a bit about it now... Wirsbo (Uponor), Rehau, etc... PexA, etc...

If you asking if it is better than PB, Duh. YES! If you're asking if it is better than copper -- well, better -- I can't say since we don't have as much history... I CAN tell you that if you are going to use a crimp and clamp type PEX you're a fool. Stick with either the Expander (ProPex) method or the APR type.

If you want more info -- let me know.

Pete
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  #5  
Old 06-18-2007, 03:16 PM
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Thanks, Pete. I was thinking of using Pex to re-plumb my house because I thought it might require less demo to install if it can be pulled in the walls like wiring.
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OBK #55

1998 Lincoln Continental - Sold
Max 1984 300TD 285,000 miles - Sold
The Dee8gonator 1987 560SEC 196,000 miles - Sold
Orgasmatron - 2006 CLS500 90,000 miles
2002 C320 Wagon 122,000 miles
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  #6  
Old 06-18-2007, 03:28 PM
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I've been curious about the pex stuff as well. From what I've heard it's been used in Europe for quite some time. Additionally, I think it can be pulled through non-conditioned space (the attic space) since it expands with frozen water rather than bursts as does copper. Not sure if that's all correct, just what I've heard. Home Depot is now selling the sharkbite fittings that are supposed to be able to be used on pex and copper. I like the idea of the pex setup with what turns out to be a "circuit board" for your water system. I've no personal experience with it - the bad taste aspect seems worrisome. Cu is still the best but the cost has gone through the roof on it and pex is less labor intensive as well it seems.
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  #7  
Old 06-18-2007, 03:36 PM
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My wife redid our house in PEX about 6 months ago. I have not noticed any taste issue. It was extremely easy and took only 2 afternoons.
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  #8  
Old 06-18-2007, 03:43 PM
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Is it run "home run" style to a manifold or is it run more like copper would be?
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1998 Lincoln Continental - Sold
Max 1984 300TD 285,000 miles - Sold
The Dee8gonator 1987 560SEC 196,000 miles - Sold
Orgasmatron - 2006 CLS500 90,000 miles
2002 C320 Wagon 122,000 miles
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  #9  
Old 06-18-2007, 03:46 PM
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Is it easier to work with over copper? Yes.

But don't be fooled into thinking you can "pull" it like you can #12 wire. No way. The radius bend, even for 1/2" isn't even close.

There is no taste issue -- at least for me, and the benefits is that you have far fewer connections. I did some home-run setups and some traditional T setups... but have their good and bad... in the end I think it is great -- at least the ProPex system -- that is what I use, I prefer APR, but it wasn't as cost effective and it is harder to do work in tight areas... I've done 1/2" and 3/4" -- 3/4" can be a ***** to get it to go where you need it to.

considering it needs to be strapped, etc. I don't think you're going to save much hassle with demo -- where you will save is in time running the actual line, and money. Figure you'll pay 1/3 to do it with ProPex, and that includes buying the tool and the head(s)... and you can keep the tool and head(s) after the job is done!

Pete
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  #10  
Old 06-18-2007, 04:23 PM
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We used pex for the first time in the spec home we are doing now. It tested with no leaks first try.

Tom W
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  #11  
Old 06-18-2007, 04:24 PM
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Tom, how did the labor and materials costs compare with copper?
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OBK #55

1998 Lincoln Continental - Sold
Max 1984 300TD 285,000 miles - Sold
The Dee8gonator 1987 560SEC 196,000 miles - Sold
Orgasmatron - 2006 CLS500 90,000 miles
2002 C320 Wagon 122,000 miles
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  #12  
Old 06-18-2007, 04:24 PM
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I added a water faucet on the front of my house this winter. The total run was about 120' and it was cheaper to buy 500' of Pex + the tool than it was to buy 120' of copper.

The Pex was super easy to run and crimp. I enjoy sweating copper fittings so it was not as much fun as copper, but it sure was easy.
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  #13  
Old 06-18-2007, 04:50 PM
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Dee8- maybe you could have a GTG at your house with forum members to install the pipes....
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  #14  
Old 06-18-2007, 08:34 PM
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Once concern I've heard of - rodents. Rats supposedly have been known to eat through the stuff, which isn't possible with copper. The resulting damage could be rather ugly.

I've no personal knowledge of how big a concern this is, and it wasn't enough to dissuade me from using it on new construction we just completed.

We've also not noticed any taste issues with the stuff, and we're pretty picky about our drinking water. We've got excellent quality tap water, and it tastes no different from my neighbor's older home with copper pipes.
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  #15  
Old 06-18-2007, 11:09 PM
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I probably didn't save any labor since my brother did it and he isn't very fast, but we saved about 2/3 on the materials I seem to remember.

Rats might eat it but if they had a notion they could chew the copper too I bet.

Tom W
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