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Old 02-09-2011, 05:02 PM   #57
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PEX Crimp tool

When you use crimp rings on PEX fittings, the difference between a good crimp and a bad one is a very small increment. When you buy a crimp tool you also get a "go"/"no go" guage. Use the guage to set up your crimp tool initially and check your joints often with the guage. It will save you some headaches (leaks) later.
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Old 02-10-2011, 10:47 AM   #58
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Thanks. I saw those at Lowe's. Will have to get one.
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Old 02-10-2011, 09:24 PM   #59
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Fittings for water heater

Alan, I was wondering about your question on the water heater connection . Go ahead and put a by pass valve while your torn out they are about $15. This allows for easy winterization. But it also gives you two 1/2 inch pipe thread outputs. You can then get the proper finger tight fittings from Lowes and not use shark bite. If room permits use the straight one and a short piece of pex then an elbow rather then the 90 degree. I found if there is any strain on the pipe it will leak as the seat does not fit but the other way solves it.
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Old 02-11-2011, 10:58 AM   #60
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Thanks for that. I have two copper pieces sticking out of the Atwood now cut to 8 or 10 inches, I am trying to attach to them. I already have a couple of the brass valves I bough, will try to incorporate them. The bag of Pex goodies came yestreday
I am going to get my feet wet ( hopefully not literally) soon as I get a crimper, putting in the kitchen and bath faucets, and figuring out how to get the shower lines out of there...may be doing some more cutting. I wil sure be a happy camper when we have water and not on the floor!
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Old 02-19-2011, 03:41 PM   #61
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Started Pex today

I began to install the Pex today. I found that with the 1/2" faucet adaptors I screwed on the faucets would not go thru the counter holes. So I am going to use flexible supply lines to extend to where I can crimp on the PEX. Seems like a good way to go as there is no room to crimp under the kitchen sink up high.
I did not realize how flexible and strong this pipe is. I bought a few of the curved mount you put over the pipe and ran it from the back up to the galley, curved it right up to the faucet. Thought I 'd bust it but it felxed perfectly.

Just need the supply lines to hook it all together.
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Old 02-19-2011, 07:01 PM   #62
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Lifetime Warranty

Quote:
Originally Posted by ALANSD View Post
I ordered a bunch of fittings: tees, couplings,elbows, crimp rings. All from Pex Universe.
Their prices were less than half of what I found at Lowe's. Home Depot had little if anything at the one near my home.
I will buy the tubing at Lowe's or HD, and use a few gator or shark bite or whatever they have fittings for the water heater.
Now i need a crimper. Saw one hand made by a seller on Ebay that looks promising. Lifetime warranty from him also and many sold.
Ready to get started as soon as the weather is a tad warmer..
How old did he look? Or is it your lifetime? Or is it whichever comes first?
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Old 02-20-2011, 08:05 AM   #63
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No matter as I bought one from Pexuniverse.com They had a deal including the no go gauge.
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Old 02-20-2011, 09:20 AM   #64
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Quote:
Originally Posted by ALANSD View Post
I did not realize how flexible and strong this pipe is. I bought a few of the curved mount you put over the pipe and ran it from the back up to the galley, curved it right up to the faucet. Thought I 'd bust it but it felxed perfectly.

Just need the supply lines to hook it all together.
You can also heat the PEX up a little bit with a heat gun to help it curve or make corners, or to straighten it out if it's curling on you too much.
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Old 02-20-2011, 10:09 AM   #65
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Quote:
Originally Posted by wahoonc View Post
If using Sharkbite or similar fittings, make sure the ends are clean (no burrs) and SQUARE, otherwise you will have problems.

Aaron

This was good advice I should have heeded. Must have skimmed right over it when browsing this post.

For those using Sharkbite, here's a few pictures showing how an non-square cut with burrs looks on a fitting, compared to a square cut.

The Sharkbite is expensive, but forgiving. For those like me that didn't already know, a little plastic piece is held in place within the Sharkbite fitting that slips into the PEX pipe. If you shove the PEX pipe into the Sharkbite all the way (3/4"-ish) then the PEX pipe is held in place and the little plastic piece acts similar to an O-ring - preventing the water from escaping around the PEX pipe. If the cut is not square, then water can leak around the O-ring type little plastic piece. (this is high-level plumbing industry lingo, I know)

In the photos below, the little plastic piece popped out (still attached to PEX pipe) when I remove the PEX pipe to repair the cut, but it just pops right back into the Sharkbite fitting, no worries.

No leaks anymore! PEX is fantastic. Just wanted to add to the thread.
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Old 02-20-2011, 12:38 PM   #66
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I ended up going crimped as the sharkbites were very pricey for us.
What surprised me was what a b*** it was to get out the bathroom faucet and shower lines. I dropped the cut off saw in the shower and cut through just below my kneee last weekend. Yikes... luckily it was short and deep but no muscle damage. Scary stuff.
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Old 03-09-2011, 08:59 AM   #67
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Hi there

I'm just getting started on refitting my 1965 safari. I was hoping to be able to leave most of the pipework in place but (common problem) I need to replace a small piece of floor at the back end which is impossible to get at with all the copper pipework on top. As it's all got to come out Im going to replace with plastic pipe.
Does anyone have a diagram/sketch of their pipework layout I could look at?

thanks
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Old 03-13-2011, 06:41 PM   #68
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i got a lot of the crimping done today,it was like tinker toys, pretty easy to do and kinda fun. Just need some fitting to attach the shower 1/2" to the pex. It has a different fitting than the sinks.
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Old 03-19-2011, 01:47 PM   #69
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What is this called?

this is the fitting that goes into the toilet supply, also looks like what is on the back of the shower lines in too. What is it called? I am guessing its 1/2". I need this to mater up to my 1/2 pex.

Thanks. "the plumbing idiot"
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Old 03-19-2011, 02:45 PM   #70
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1/2" fpt x 1/2" flare fitting.

Flare fittings are used for gas plumbing...but there were/are a lot of them used in the water pipes in airstreams of the era. not sure why...maybe because they work well with the soft copper pipe (bendable). (?).

anyway, you should be able to find 1/2" threaded x pex fittings. I know they come in a straight fitting. elbows might be harder to find, but I would think that they'd exist.
for the shower pipe, you might want to go 1/2" x ...whatever you're using for a riser. might be another 1/2" threaded line, like those stainless flex lines. Those come in lots of different lengths and thread size/types. like "compression" threads, which are different from standard pipe thread.
And that'll depend on just how you're gonna tap of the main supply line. some kind of "tee"...but will it be 1/2 x 1/2 x....??

I had to replace my toilet supply line a while back, and it was a flare connection on the toilet side. I cut the supply pipe out completely, and replaced it with one of those stainless flex lines that was 1/2 on one end (fit the toilet ball valve). To connect back to the cut supply line, I used a compression coupling. connected one side to the copper pipe, then on the other, I just discarded the nut, and connected the s.s. flex line to the threads. (because that line was made to connect to compression threads).
clear as mud?
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