[RE-wrenches] SDHW and Tankless Heaters

[Darryl Thayer]

HI using my old brain, there is a Tagki or like that makes a larger one.  Just a word of caution, I have had customer complaints on every tankless water heater I have installed for SDHW, and never a complaint on the solar preheat to or one tank solar that I have done.  
Darryl


--- On Sun, 12/7/08, Peter Parrish <peter.parrish at calsolareng.com> wrote:

> From: Peter Parrish <peter.parrish at calsolareng.com>
> Subject: [RE-wrenches] SDHW and Tankless Heaters
> To: "'RE-wrenches'" <re-wrenches at lists.re-wrenches.org>
> Date: Sunday, December 7, 2008, 5:02 PM
> We do a few SDHW systems and only for customers that
> purchase a PV system
> from us and want SDHW as well. We want to recommend a
> tankless heater where
> it makes sense (very old gas hot water heater or we need
> the space to swap
> out the existing gas water heater for the solar storage
> tank, new
> construction, etc.).
> 
>  
> 
> I went to a seminar on the subject a few years ago and one
> of the key issues
> was choosing a tankless heater that “modulates on input
> water temperature”.
> The only one I was aware of at the time was a small Bosch
> system with ½ Cu
> lines. Are there big fellows that “modulates on input
> water temperature” and
> could someone recommend one?  
> 
>  
> 
> - Peter
> 
> Peter T. Parrish, President
> California Solar Engineering, Inc.
> 820 Cynthia Ave., Los Angeles, CA 90065
> Ph 323-258-8883, Mobile 323-839-6108, Fax 323-258-8885
> CA Lic. 854779, NABCEP Cert. 031806-26
> peter.parrish at calsolareng.com 
> 
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