Updated Solar Tankless WAS: Tankless hot water without pilot [RE-Wrenches] [RE

[Bill Loesch, Saint Louis Solar]

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Scott is 100% correct. 

One workaround (imperfect) might be to just shutoff the AQ125BS (solar)
backup heater (and save the pilot light fuel) when the solar hot water is
keeping up with the load. 

I've heard the same story about not sufficient demand for an updated solar
tankless heater in North America, which begs the question if Bosch, Takagi,
Rinnai, Noritz, Paloma (or others) have equipment that is not being
distributed to this subcontinent.

As always, find the area that has high energy prices (and reasonable sun)
and just copy their solution. Then, there will be no need to reinvent the
wheel. ("Follow the money" - Deep Throat)

Bill Loesch
bill_loesch at compuserve.com
tel / fax 314 631 1094
Solar 1 - Saint Louis Solar
9905 Vasel Drive
St Louis MO 63123-4321



Scott Crawford said:
>  I think Tom means Takagi. See Takagi-usa.com The Takagi JR  (on LP puts
out 17k-140kbtuh) does
>modulate for Solar thermal pre-heat but does not zero modulate like the
Aquastar 125BS. Takagi has
>a forced vent and more efficient than atmospheric 125BS.  Less cost and
quieter than Rinnai.  Needs
>120Vac for ignition but i believe standby is about 5W. We are finishing up
one this week, i can
>measure standby for you. This is a big hole in the instantaneous market!
We implore the
>Aquastar/CEC folks regularly to put their cool hydro ignition in the
125BS(Solar model). They
>always say demand is low for BS Model so..... Go figure.  Feel free to
call them about it.

>Scott  Solar Assist  Eugene., OR

> tagagi  gator tom

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