Plain-pack dry run pump switch..... [RE-wrenches]

[Doug Pratt]

John,
If the pump actually IS a Shurflo 9300 (rather than being "like" it),
don't even worry about dry running. The mfg sez a bit of dry running
isn't a problem unless you do it for more than a couple
months...continuously. This pump just isn't bothered by dry running.

If you're running something "like" the 9300...say the new Dankoff
Mini-ETA, it comes with a dry run sensor...um...I think. The full-size
ETA pump does. Correct me if I'm wrong here Windy.

Cheers,
Doug Pratt

-----Original Message-----
From: John [mailto:john at gosolar.co.nz] 
Sent: Tuesday, January 13, 2004 4:29 PM
To: RE-wrenches at topica.com
Subject: Re: Plain-pack dry run pump switch..... [RE-wrenches]

Hi Jay,

The dry run switch is to protect the pump in case that the pump draws
more
than the well can deliver, ie - the recharge rate of the well could be
slow
at times.

Therefore I'm not considering the storage tank which can be fitted with
a
float switch anyway.

Low amps - I forgot to mention its a submersible pump, likes of Shurflo
9300
or equivalent.

Array direct - therefore trying to avoid battery back-up.

                            thanks,                John V

------------------------------------------------------------------------
----
----------------
----- Original Message ----- 
From: "Jay Peltz, Peltz Power" <jay at asis.com>
To: <RE-wrenches at topica.com>
Sent: Wednesday, January 14, 2004 12:53 PM
Subject: Re: Plain-pack dry run pump switch..... [RE-wrenches]


> Hi John,
>
> A bit more information is needed,
> I presume that you are talking with two sources, intake and tank?
> is this a tank or well?
> whats the amperage?
> Array direct?
>
> jay
>
> Peltz Power
>
>
> ----- Original Message ----- 
> From: "John" <john at gosolar.co.nz>
> To: <RE-wrenches at topica.com>
> Sent: Tuesday, January 13, 2004 2:59 PM
> Subject: Plain-pack dry run pump switch..... [RE-wrenches]
>
>
> >
> > Hi All,
> >
> > Any ideas for a "dry run" switch set-up for 12/24v water pumping.
> >
> > Nothing fancy, just something like 2 or 3 probes/sensors and some
means
of
> on-off control, with or w/o a maximiser.   But preferably not
> battery-backed.
> >
> > Is there anything off the shelf that can be easily obtained?
> >
> >                             thanks,                John V
> > [Non-text portions of this message have been removed]
> >
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