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<p>We've used the Grundfos SQE and the MQ lines of CP pumps and
never had problems. I've only seen them keep running, if there
was a leak.<br>
</p>
<pre class="moz-signature" cols="72">R. Ray Walters
Chief Technical Officer, RemoteSolar.com
BS Mech Engineering, 1988
Former NABCEP Certified, 2004-2016
Licensed Master ELectrician, Colorado
303 505-8760</pre>
<div class="moz-cite-prefix">On 4/27/17 5:09 PM, RE Ellison wrote:<br>
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<div>I tangled with one system that had a constant pressure pump</div>
<div>He had moved an off grid system to a location where grid was
available And wanted to use it as a back up</div>
<div><br>
</div>
<div>He ended up selling the entire system once I explain to them
the thing was never going to stop running at every possible
opportunity</div>
<div><br>
</div>
<div>It was my first experience with one of those I'll never do it
again</div>
<div><br>
</div>
<div>Bob ellison</div>
<div><br>
On Apr 27, 2017, at 6:48 PM, Bradley Bassett <<a
moz-do-not-send="true" href="mailto:bbassett2@gmail.com">bbassett2@gmail.com</a>>
wrote:<br>
<br>
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<blockquote type="cite">
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<div dir="ltr">
<div>
<div>Dana,<br>
<br>
</div>
For off grid you may not want to use the constant pressure
pumps. They will run a little bit, a lot of the time to
keep the pressure constant. I think it might be more
efficient to use a pressure switch and regular pressure
tank. Anyone with experience in this?<br>
<br>
</div>
Brad<br>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Wed, Apr 26, 2017 at 8:32 PM,
Dana <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:dana@solarwork.com" target="_blank">dana@solarwork.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div link="blue" vlink="purple" lang="EN-US">
<div class="m_2400639411802973116WordSection1">
<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Century
Gothic",sans-serif;color:black">My well
driller-well pump guy is offering Sta-Rite pumps
manufactured by Pentair [as in Pentair water
filtration they seem to be buying lots of water
related companies]. </span></p>
<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Century
Gothic",sans-serif;color:black">I am
curious as to feedback on these, has anyone used
them?</span></p>
<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Century
Gothic",sans-serif;color:black">Soft start,
digital controls, easy programming, stainless
steel, 3-year warranty, & includes a
pressure transducer, so no pressure switch
required. </span></p>
<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Century
Gothic",sans-serif;color:black">My pump guy
says he has only had 1 issue on 1 pump in serval
hundred installed. Almost sounds too good to
believe.</span></p>
<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Century
Gothic",sans-serif;color:black">A bit less
$ retail than a Grundfoss but supposedly a whole
lot more reliable.</span></p>
<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Century
Gothic",sans-serif;color:black">A 1 HP
motor 20 GPM pump draws 4.7 Amp/240 VA as it
hits a 60 psi cutout [1,128 watts peak] though I
will set to 30/50 psi.</span></p>
<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Century
Gothic",sans-serif;color:black"> </span></p>
<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Century
Gothic",sans-serif;color:black">Comments
please…</span></p>
<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Century
Gothic",sans-serif;color:black"> </span></p>
<p class="MsoNormal"><span
style="font-size:14.0pt;font-family:"Century
Gothic",sans-serif;color:black"> </span></p>
<p class="MsoNormal"><span
style="font-family:"Century
Gothic",sans-serif;color:#002060">------------------------------<wbr>------------------------------<wbr>----------------</span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Century
Gothic",sans-serif;color:black">Dana
Orzel Great Solar Works,
Inc. </span></p>
<p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Century
Gothic",sans-serif;color:black"><a
moz-do-not-send="true"
href="tel:%28208%29%20721-7003"
value="+12087217003" target="_blank">208.721.7003</a> <wbr>
<a moz-do-not-send="true"
href="mailto:dana@solarwork.com"
target="_blank">dana@solarwork.com</a></span></b></p>
<p class="MsoNormal"><span
style="font-size:9.0pt;font-family:"Century
Gothic",sans-serif;color:black">Idaho
Contractor - # 028765 Idaho PV # 028374</span></p>
<p class="MsoNormal"><span
style="font-size:9.0pt;font-family:"Century
Gothic",sans-serif;color:black">NABCEP #
051112-136 <wbr> <a
moz-do-not-send="true"
href="http://www.solarwork.biz"
target="_blank">www.solarwork.biz</a></span></p>
<p class="MsoNormal"><u><span
style="font-size:9.0pt;font-family:"Century
Gothic",sans-serif;color:black">"Responsible
Technologies for Responsible People since
1988" </span></u><u><span
style="font-size:9.0pt;font-family:"Century
Gothic",sans-serif;color:black"></span></u></p>
<p class="MsoNormal" style="background:white"><b><span
style="font-size:18.0pt;font-family:Webdings;color:green">P</span></b><span
style="font-family:"Helvetica",sans-serif;color:navy"> </span><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:green">Please
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