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William,<br>
<br>
I hadn't thought of the Jobe valves for the primary tank. We see them
used a lot for the <br>
gravity fed stock tanks that are fed by the primary tank though.<br>
<br>
I seem to recall being told by an NRCS water system designer that the
Jobes had a problem <br>
that developed after 2-3 years of use. I'll have to look into those a
bit more.<br>
<br>
Thanks for the info!<br>
<pre class="moz-signature" cols="72">Roy Butler
NABCEP Certified Solar PV Installer®
NYSERDA eligible PV & wind installer
Four Winds Renewable Energy, LLC
8902 Route 46
Arkport, NY 14807
607-324-9747
<a class="moz-txt-link-abbreviated" href="http://www.four-winds-energy.com">www.four-winds-energy.com</a>
Although no trees were killed in the sending of this message,
a large number of electrons were terribly inconvenienced.
</pre>
<br>
<br>
William Miller wrote:
<blockquote cite="mid:6.0.1.1.2.20080903144357.0279fec0@pop.charter.net"
type="cite">Roy:<br>
<br>
I have minimal experience in this field, but I did experiment with this
type of control. I did not specify a pressure tank, which may have
rendered the concept feasible.<br>
<br>
I had suggested a ball cock valve be installed at the tank and a
pressure
switch at the well to control the pump. There is a problem,
however, with this type of valve: I believe they tend to close off
water
flow gradually. When partially closed, enough pressure can build up
to shut off the pump. Because the valve is not fully closed, the
pressure in the line can bleed off rather quickly, causing the pump to
start up again quickly. This rapid cycling can increase wear and
tear on the pump.<br>
<br>
There is a valve available that will function in a different manner and
allow this type of operation. It "snaps" closed.
Below is a link to the brochure:<br>
<br>
<a moz-do-not-send="true"
href="http://www.jobevalves.com/uploads/24227/attachments/Reservoir_Info_Sheet.pdf"
eudora="autourl">http://www.jobevalves.com/uploads/24227/attachments/Reservoir_Info_Sheet.pdf<br>
<br>
</a>William Miller<br>
<br>
At 12:28 PM 9/3/2008, you wrote:<br>
<blockquote type="cite" class="cite" cite="">Allan,<br>
<br>
Is the distance between tanks too far to consider adding that float
switch wire?<br>
It really is the most reliable way.<br>
<br>
What's the vertical lift from pump to tanks? If it's not too much, say
under 60-70 feet, you<br>
could use a float valve in the tank and expansion tank w/ pressure
switch
setup for on/off operation.<br>
<br>
My fear with any wireless setup would be the complexity and thus the
reliability of it. And it needs power....<br>
<br>
Good luck! Please follow up with anything you find....I'm tired of
running float wire....as much as 14,000<br>
feet for one system (runs fine...for now)<br>
<br>
<pre>Roy Butler
</pre>
</blockquote>
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