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I just had an idea that I'll experiment with since I don't know where one end of the PEX terminates - whether it works depends, I imagine, on the friction between the piping and the insulation, so feedback on that is welcome. :) If the insulation slides back and forth fairly easily along the length of the pipe, I could install new sections at the point of ...


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Thought I'd share what I ended up doing. I tore out all the copper pipe "main line" and replaced with plastic pipe. I added a "T" and then installed an 18" frost free silcock basically at grade. I added heat-tape and insulation on the inside, now I'm just debating on if I need to cover the valve in the winter (perhaps with a simple box?). I don't usually do ...


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As Michael Karas' answer said, cost will be minimal and it will be easier just to run a new pipe. Additionally, do you use the outdoor sink in the winter? Insulated or not, you should probably winterize that plumbing if it's susceptible to freezing.


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Cut your crimp off as described. Using a heat gun, start waving it at your connection while pulling the two apart. You just don't want to get things to hot as the fumes probably are not healthy. I held the fitting in a vise with the intent of re-using the fitting...it comes off pretty easy after it warms up. It would probably work out in the field where it ...


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Since you say there is access on both ends it seems that the best course of action is to just pull in some new PEX line with insulation sleeve installed. The cost of materials should not be so much as to break the bank account and it would be far far easier than trying to save what is tunneled into that narrow area.


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Rats are not specifically attracted to PEX, but they do have to "seek out opportunities to" chew on things all the time. Their incisor teeth never stop growing, so if left unchecked they would grow so long that the rats would no longer be able to open their mouths and starve to death. So they are compelled to keep them worn down by biting on things all of ...


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Apparently yes. This website has a couple of suggestions to mitigate the concern. (Rataway and Havoc): https://terrylove.com/forums/index.php?threads/pex-rodents-problem-please-read.5154/


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If the manifold cost is not exorbitant, I would definitely go with your plan. I can hardly believe that anyone would use a 1/2" line for a trunk. I'd be tempted to use a 1" trunk if you have the crimp tool or can borrow one--especially to feed the manifolds (and your incoming line is 1" or larger).


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If 1/2 PEX would have been large enough to do the runs but the contractor used 3/4 instead, then: he (you?) paid the higher per-foot cost on the larger tube and paid for each adapter the tube holds more water, so if this is a hot water run, it'll take comparatively longer for the hot water to arrive at the fixture. If the runs really do merit the use of 3/...


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