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Old 18-05-2013, 15:02   #16
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Originally Posted by s/v Jedi View Post

Yes, these fittings are even better than the ones I list above, but harder to get, expensive and the tool is big so difficult access in small spaces, plus you must very quickly assemble which can be tough aboard a boat.
Not if it's the 12v Milwaukee tool
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Old 18-05-2013, 15:49   #17
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Re: PEX - Metric or Standard?

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Not if it's the 12v Milwaukee tool
Must still be quick but yes that is a very nice $400 tool
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Old 19-05-2013, 20:44   #18
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Re: PEX - Metric or Standard?

Final question....ok, probably not really....BUT, should I insulate the hot water lines? The old ones were not and I honestly don't think I need to, but figured I'd ask.
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Old 19-05-2013, 21:09   #19
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Re: PEX - Metric or Standard?

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Originally Posted by jgbrown View Post
Not if it's the 12v Milwaukee tool





I posted pics of my M12 Wirsbro/Uponor expander here and asked if anyone could identify the tool. It sat for months and no one could! Pretty rare stuff.
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Old 19-05-2013, 21:25   #20
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Quote:
Originally Posted by Wakuu
Final question....ok, probably not really....BUT, should I insulate the hot water lines? The old ones were not and I honestly don't think I need to, but figured I'd ask.
Insulated hot water lines are nice in some respects, but not really needed for most domestic water suppy applications. The insulation reduces the rate of heat loss from the pipe, but given enough time the pipe will cool down to ambient temperature anyway. As insulation take up space and just complicates things, I would not do it. Do not insulate.
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Old 20-05-2013, 08:22   #21
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Insulated hot water lines are nice in some respects, but not really needed for most domestic water suppy applications. The insulation reduces the rate of heat loss from the pipe, but given enough time the pipe will cool down to ambient temperature anyway. As insulation take up space and just complicates things, I would not do it. Do not insulate.
There's a neat system of covered pex for use underground we are looking at for a boat soon, a bit of insulation, not a lot of wasted space, but will allow easy replacement if ever needed, since the sleeve allows new pex to be inserted without pulling out tanks to get to fastening points. Easier mounting as well as better protection.

Minaret: I'd seen that before online but the stainless crimps for connections, and sealand fittings with locking rings to the tanks worked quite well enough so I didn't really dig further. Couldn't quite make head or tail of expansion method until your explanation.
Perhaps it is a tool the OP could rent? It does seem a better solution, looks like the same method sealand uses for tank senders.


As a side note, Milwaukee has fixed 2/4 of the reasons I went dewalt over their 12v system last year. I took another look after your observations on them in your thread.
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