MessageIs there something that would preclude using a two stage system like
the one I used in my home in Colorado? We had a Shurflo 9600 in the well,
happily pumping against a 65 foot head into a buried 1200 gallon food grade
plastic tank from which we then drew water using a Flowlight booster pump to
pressurize the house. Our hot water came from an Aquastar and the new
Aquastar that generates its own spark from water flow would be a nice fit.
The advantage of using the large storage tank is that the Shurflo doesn't
cycle very much, running once or twice a week for us, less for folks that
use less water, to keep the big tank topped off. That meant our Shurflo ran
just fine, with no maintenance at all, for 12 years until we sold our home
and as far as I know it is still running just fine.
We ran the Flowlight through a standard pressure tank and it's power use was
minimal. That system was bulletproof for us in very cold Colorado high
country winters.
Tom
----- Original Message -----
From: Todd Cory
To: [EMAIL PROTECTED] ; RE-wrenches
Sent: Thursday, November 13, 2008 4:23 PM
Subject: Re: [RE-wrenches] tankless hot water and pumping question
Thanks for the recommendation. Does this unit need an external pressure
switch or is that integral? Does these work w/o an expansion tank or will
they cycle on/off excessively set up in a direct pumping situation?
Todd
Allan Sindelar wrote:
Todd,
The Shurflo 2088-24 (model 2088-474-144) is a reliable and cheap surface
pump; tolerates sediment, field rebuildable (until the motor brushes
eventually wear out, but in this app that could be many years) and retails
aroud $125. About 2 gpm at pressure. Not freeze-tolerant.
Allan
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