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<div class="moz-cite-prefix">Tom,<br>
Rant: <ON><br>
I would caution you to be very careful working with Lorentz pumps.
About 16 months ago we got a service request from a longtime
customer for whom we had installed an ETA (Lorentz) PV-direct
submersible in late 2005. The pump had worked well for nearly 7
years, serving community water for four off grid households, but
the helical rotor had finally worn out, as I recall. I called
GenPro about purchasing a replacement head, and was told that the
US has been divided into northern and southern territories by
Lorentz, and I needed to contact another company (whose name is in
our records but not my head). That company told me that we could
neither buy a replacement head nor a replacement pump, as we were
not <i>licensed pump dealers</i>.<br>
<br>
Grundfos had once allowed their pumps to be sold through all sorts
of channels, and it came back to bite them hard, as PV internet
retailers with salespeople who knew next-to nothing about pump
selection and water system design were selling pumps to anyone
with a thick wallet. Grundfos tech support was overwhelmed, and
changed policy to allow their pumps to be sold only through water
and well industry distributors. That made a lot of sense to me,
and we never lost our ability to spec, purchase and install their
pumps, as our longtime conventional pump distributor knew we knew
our business. But we'll never become "licensed pump installers",
and as a result, we'll never carry or recommend Lorentz pumps. <br>
<br>
I had sworn off ETAPumps years ago when the failure rate was too
high; I had eventually learned that those issues had been resolved
and the pumps and controllers were proving pretty reliable. But
this issue killed it for me. If anyone can offer an update to
suggest that the situation has changed, please do so! (Jeez, I
have a Lorentz pump in my own well at home, courtesy of Windy. I'd
replace it, but it just hasn't stopped working yet. Talk about a
bit of hypocrisy...)<br>
Rant: <OFF><br>
<br>
Tom, <br>
Besides getting feedback from other Wrenches, I'd talk with
GenPro, your distributor, about support. I'm copying this message
to them; if I get a useful response about my rant, I'll post it to
the list.<br>
Allan<br>
<br>
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<font face="Times New Roman, Times, serif"><b>Allan Sindelar</b></font><br>
<small><a href="mailto:Allan@positiveenergysolar.com"><font
face="Times New Roman, Times, serif" color="#000099"><u>Allan@positiveenergysolar.com</u></font></a></small><font
face="Times New Roman, Times, serif"><br>
<span style="font-size: 10pt;">NABCEP Certified Photovoltaic
Installer<br>
NABCEP Certified Technical Sales Professional<br>
New Mexico EE98J Journeyman Electrician<br>
Founder and Chief Technology Officer<br>
<b>Positive Energy, Inc.</b><br>
3209 Richards Lane (note new address)<br>
Santa Fe, New Mexico 87507<br>
<b>505 424-1112</b><br>
<a href="http://www.positiveenergysolar.com/"
target="_blank"><u>www.positiveenergysolar.com</u></a><o:p></o:p></span></font>
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style=""><br>
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<span style="font-size: 10pt;"><br>
</span> </div>
On 2/19/2013 3:01 PM, Tom DeBates wrote:<br>
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<blockquote
cite="mid:1361311318.8663.YahooMailClassic@web120105.mail.ne1.yahoo.com"
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<td style="font: inherit;" valign="top">Hello Wrenches,<br>
Has anyone had recent experience with the Lorentz PS
(PV) line of pumps, both centrifugal and helical? I
searched the archives and there was some feedback on
Lorentz pumps two years ago. Just wondering if anyone had
anything more recent.<br>
Thanks,<br>
Tom <br>
<br>
Tom DeBates<br>
Habi-Tek<br>
Geneva,IL. 60134<br>
<br>
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