solar pre heat for pools [RE-wrenches]

Mon Sep 8 20:33:07 PDT 2003

I think these ideas are great, but I did not know that
clorine attacks PEX if it does then it should attack
poly pipe which is just a lower density polyethylene. 
I will try to look into it, anyone know for sure?  
Daryl

--- David Blittersdorf <davidb at nrgsystems.com> wrote:
> I installed 300' of 1.5" diameter black poly pipe in
> the 4' concrete decking 
> around my 44' x 18' pool (2 loops) and plumbed it
> directly to the output of 
> my pump. I also installed 3 used American Solar King
> collectors on my 
> pool shed roof and also insulated the steel walls of
> the pool down 4' with 
> 2" blue board. 
> 
> The pool pump is a varible speed motor drive that is
> controlled by a 1 
> watt PV panel. The pump automatically turns on with
> the sun and speeds 
> up the brighter the sun shines and therefore more
> flow to the tubing and 
> collectors w/o valves and other controls.
> 
> It works well even here in the cool northeast
> (Vermont). Yesterday the 
> pool was 78 degrees after cooling down from 85-90 F
> which it held all 
> summer. Last night it was 40 F outside. Solar covers
> are required to hold 
> in the heat at night.
> 
> Regards,
> 
> David Blittersdorf
> 
> On 8 Sep 2003 at 9:41, Dean T. Newberry wrote:
> 
> > A friend of mine put PEX tubing in the slab to
> cool the deck at George
> > Lucas home many years ago, The technology is well
> worked out, but the
> > chlorine attacks the PEX and copper. Use a pool
> water heat exchanger and
> > propylene glycol loop with expansion tank and air
> scoop in the deck
> > cooler circuit. Use the radiant floor standards
> for layout and circuit
> > sizing.
> > 
> > -----Original Message-----
> > From: Darryl Thayer [mailto:daryl_solar at yahoo.com]
> 
> > Sent: Sunday, September 07, 2003 10:07 PM
> > To: RE-wrenches at topica.com
> > Subject: Re: solar pre heat for pools
> [RE-wrenches]
> > 
> > Yes i have ttried something like that, I recieved
> > solar heat, just not very much compared to solar
> > panels. 
> > Daryl
> > --- keith <kcronin at lava.net> wrote:
> > > 
> > > Hello
> > > 
> > >  
> > > 
> > > I had a thought this weekend, and wondered if it
> was
> > > applicable or if
> > > anyone has pursued this concept.  People who
> have
> > > pools are accustomed
> > > to putting those black solar pool panels on
> their
> > > roofs.
> > > 
> > > Has anyone ever considered during the initial
> phases
> > > of pool
> > > construction, to install radiant floor, plastic
> > > tubing in the
> > > concrete/tile/stone around the pool deck area
> for
> > > the same purpose?
> > > 
> > > I just thought we could make the panels less
> > > unaesthetically (a word?)
> > > pleasing and I always know that those darn pool
> > > decks get very hot to
> > > the bottoms of my feet!
> > > 
> > >  
> > > 
> > > My thoughts on a Sunday!
> > > 
> > >  
> > > 
> > > Thanks for the feedback
> > > 
> > >  
> > > 
> > > aloha
> > > 
> > >  
> > > 
> > > Keith Cronin
> > > 
> > > President
> > > 
> > > Island Energy Solutions
> > > 
> > > 318A Kuulei Rd
> > > 
> > > Kailua, HI 96734
> > > 
> > > 808-262-3268 Tel
> > > 
> > > 808-263-0338 Fax
> > > 
> > > www.islandenergy.net
> > > 
> > >  
> > > 
> > >  
> > > 
> > > 
> > > [Non-text portions of this message have been
> > > removed]
> > > 
> > > - - - -
> > > To send a message: RE-wrenches at topica.com
> > > 
> > > Archive of previous messages:
> > > http://www.topica.com/lists/RE-wrenches/
> > > 
> > > List rules & etiquette:
> > > http://www.mrsharkey.com/wrenches/etiquete.htm
> > > 
> > > Check out participant bios:
> > > www.mrsharkey.com/wrenches/index.html
> > > 
> > > Hosted by Home Power magazine
> > > 
> > > Moderator: michael.welch at homepower.com
> > >
> > > 
> > > 
> > 
> > 
> > __________________________________
> > Do you Yahoo!?
> > Yahoo! SiteBuilder - Free, easy-to-use web site
> design software
> > http://sitebuilder.yahoo.com
> > 
> > - - - -
> > To send a message: RE-wrenches at topica.com
> > 
> > Archive of previous messages:
> http://www.topica.com/lists/RE-wrenches/
> > 
> > List rules & etiquette:
> http://www.mrsharkey.com/wrenches/etiquete.htm
> > 
> > Check out participant bios:
> www.mrsharkey.com/wrenches/index.html
> > 
> > Hosted by Home Power magazine
> > 
> > Moderator: michael.welch at homepower.com
> > 
> > - - - -
> > To send a message: RE-wrenches at topica.com
> > 
> > Archive of previous messages:
> http://www.topica.com/lists/RE-wrenches/
> > 
> > List rules & etiquette:
> http://www.mrsharkey.com/wrenches/etiquete.htm
> > 
> > Check out participant bios:
> www.mrsharkey.com/wrenches/index.html
> > 
> > Hosted by Home Power magazine
> > 
> > Moderator: michael.welch at homepower.com
> > 
> > 
> 
> David Blittersdorf
> NRG Systems, Inc.
> 110 Commerce Street
> Hinesburg, VT 05461 USA
> Tel: 802-482-2255
> Fax: 802-482-2272
> email: davidb at nrgsystems.com
> Web:http://www.nrgsystems.com
> 
> - - - -
> To send a message: RE-wrenches at topica.com
> 
> Archive of previous messages:
> http://www.topica.com/lists/RE-wrenches/
> 
> List rules & etiquette:
> http://www.mrsharkey.com/wrenches/etiquete.htm
> 
=== message truncated ===

__________________________________
Do you Yahoo!?
Yahoo! SiteBuilder - Free, easy-to-use web site design software
http://sitebuilder.yahoo.com

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

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

List rules & etiquette: http://www.mrsharkey.com/wrenches/etiquete.htm

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

Hosted by Home Power magazine

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

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

TOPICA - Start your own email discussion group. FREE!
http://www.topica.com/partner/tag02/create/index2.html
--^----------------------------------------------------------------