Off-grid pumps [RE-wrenches]

[Kelly Keilwitz]

Your free subscription is supported by today's sponsor:
-------------------------------------------------------------------
Get up to 4 No-risk mortgage quotes – No SSN needed
Competitive rates from the nation’s top lenders in minutes
Lower your mortgage payments by up to $303/month!
http://click.topica.com/caaeYi1bz8Qcsbz9JC9a/ BestLenderFinder
-------------------------------------------------------------------

Hi Todd & all,

With a traditional 1/2 120VAC pump we'll need a flow restrictor to limit the
pump rate to 3 gpm. Will that mess with the pump's efficiency, or operation?

-Kelly


On 7/21/06 5:55 PM, "Todd Cory, Mt. Shasta Energy Services"
<toddcory at finestplanet.com> wrote:


> 
> One critical piece of information was not mentioned. That is how much
> water will they be using? If it is just for showers, toilet flushing,
> I'd go with a traditional submersible 1/2 HP 120 volt pump. I am an
> efficiency nut, but unless they are irrigating, the tiny amount of water
> they will use won't really amount to that much energy consumption with a
> traditional AC centrifugal well pump.
> 
> BTW I'd go with the 3648 inverter rather than the 2548.
> 
> My .02.
> 
> Todd
> 
> Kelly Keilwitz wrote:
> 
>> Pump Wrenches,
>> 
>> We have an off-grid customer living on an island in Puget Sound who needs
>> pumps for his well and storage tank. We don't have a lot of experience with
>> pumping and would appreciate any suggestions.
>> 
>> It's a small home (~800sf) that will be used part-time for probably several
>> years before going full-time. The well is 151' deep, with a static water
>> level at 138' and a reported water column of just under 13'. The well report
>> says 6 gpm production. But, as this is a salt water intrusion area, we want
>> to pump at no more than 3 gpm. There is an existing 1000 gal concrete
>> storage tank in the ground about 20 feet from the well head (no elev
>> change). Considerations are low-water sensor shut off and, probably
>> grit-tolerance of the pump (or some way to keep grit out), as the pump will
>> have to be located close to the bottom of the well.
>> 


- - - -
To send a message: RE-wrenches at topica.com

Archive of previous messages: http://lists.topica.com/lists/RE-wrenches/read

List rules & how to change your email address: www.mrsharkey.com/wrenches/etiquette.php

Check out participant bios: www.mrsharkey.com/wrenches/

Hosted by Home Power magazine

Moderator: michael.welch at homepower.com
--^----------------------------------------------------------------
This email was sent to: michael.welch at homepower.com

EASY UNSUBSCRIBE click here: http://topica.com/u/?bz8Qcs.bz9JC9.bWljaGFl
Or send an email to: RE-wrenches-unsubscribe at topica.com

For Topica's complete suite of email marketing solutions visit:
http://www.topica.com/?p=TEXFOOTER
--^----------------------------------------------------------------