Large SHW drainback [RE-wrenches]

[Tom Lane]

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I suggest contacting  BRANDON LEVITT AT 847-677-0950 www.solarserviceinc.com 
in Chicago   they specialist in large commerical drainback systems since 
1980  gatortom
----- Original Message ----- 
From: "Kelly Keilwitz" <kelly at whidbeysunwind.com>
To: "RE Wrenches listserve" <RE-wrenches at topica.com>
Sent: Monday, October 22, 2007 9:16 PM
Subject: Large SHW drainback [RE-wrenches]


>
> Thermal Wrenches,
> I've completed a design for a combined solar pool and domestic water 
> heating
> system for an athletic club, utilizing 30, 4' X 10' flat plate collectors,
> in a drainback configuration. This is the largest solar thermal system 
> we've
> done, and the first drainback. I'd appreciate any feedback from those of 
> you
> who have experience with such systems so that I avoid expensive 
> (preferably
> ANY) mistakes! I especially want to make sure that the pump is sized
> appropriately.
>
> Please contact me offlist and I'll send you a pdf of the design schematic.
>
> Thanks VERY much,
> -Kelly
>
> Kelly Keilwitz, P.E.
> Whidbey Sun & Wind, LLC
> Renewable Energy Systems
> NABCEP Certified PV Installer
> 987 Wanamaker Rd,
> Coupeville, WA 98239
> PH & FAX 360-678-7131
> sunwind at whidbeysunwind.com
>
>
>
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> 


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