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<DIV><SPAN class=296342213-03122009><FONT color=#0000ff size=2 face=Arial>One
can buy insulated line sets for direct burial from most of the outdoor furnace
retailers.</FONT></SPAN></DIV>
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<DIV> </DIV><STRONG><EM> </EM></STRONG></DIV>
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<DIV dir=ltr lang=en-us class=OutlookMessageHeader align=left><FONT size=2
face=Tahoma>-----Original Message-----<BR><B>From:</B>
re-wrenches-bounces@lists.re-wrenches.org
[mailto:re-wrenches-bounces@lists.re-wrenches.org] <B>On Behalf Of </B>Carl
Hansen<BR><B>Sent:</B> Wednesday, December 02, 2009 4:30 PM<BR><B>To:</B>
nponzio@buildingenergyus.com; RE-wrenches<BR><B>Subject:</B> Re: [RE-wrenches]
trenching for solar thermal<BR><BR></FONT></DIV>
<DIV><FONT size=2 face=Arial>Nik,</FONT></DIV>
<DIV><FONT size=2 face=Arial> We
cover our insulated copper pipes with the 4" plastic corrugated drain pipe
available at Low's or Home Depot. After the pipe's are insulated we run
this drain pipe from one end to the other. It takes two people, we try to
avoid using 90 degree fittings instead two 45's or use flex copper. Its hard
to get the drain pipe around a 90 degree elbow.</FONT></DIV>
<DIV><FONT size=2 face=Arial></FONT> </DIV>
<DIV><FONT size=2 face=Arial> Carl</FONT></DIV>
<DIV><FONT size=2 face=Arial> Hansen&Sun Elect.</FONT></DIV>
<DIV><FONT size=2 face=Arial> (505) 470-0770</FONT></DIV>
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<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="FONT: 10pt arial; BACKGROUND: #e4e4e4; font-color: black"><B>From:</B>
<A title=nponzio@buildingenergyus.com
href="mailto:nponzio@buildingenergyus.com">Nicholas Ponzio</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A
title=re-wrenches@lists.re-wrenches.org
href="mailto:re-wrenches@lists.re-wrenches.org">RE-wrenches</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Wednesday, December 02, 2009
12:12 PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> [RE-wrenches] trenching for
solar thermal</DIV>
<DIV><BR></DIV><SPAN
style="FONT-FAMILY: Arial, Helvetica, sans-serif; FONT-SIZE: 10pt">Esteemed
Wrenches,<BR><BR>What is your preferred method for running thermal lines
underground? We are about to start a sizable ground-mount system and want to
make sure we do this right. (I've already seen it done the wrong way, the
dirty way, and the hard way.)<BR><BR>Thanks in advance for any
feedback.<BR><BR>Best,<BR>Nik<BR><BR><BR></SPAN>
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