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Hi Brian,<br>
<br>
Great alternative and <u>proven</u> solution. Moreover, the
sanitation aspect to heat the water once per use all but
eliminates the prospect of breeding "bugs" in the stagnant warm
water. It is my understanding that spas/hot tubs that continuously
reheat the same water need to have chemicals added to keep them
sanitary (at least that is the way it works here for a public
spa/hot tub).<br>
<br>
One other item, necessary to mention for all the rest of us not
living in the relatively mild CA/coastal climate-since the
tankless stores no heated water all tankless water heaters are
subject to freezing conditions. Oh, yes, one can take on Mother
Nature and add electric heaters, anti-freezing firing, etc. but
for real world practicality, don't subject water to freezing
conditions. Solution: mount the tankless inside the heated
structure and run the hot tub line through a freeze protected
faucet. <br>
<br>
Thanks for sharing, Brian,<br>
<pre class="moz-signature" cols="72">Bill Loesch
Solar 1 - Saint Louis Solar
314 631 1094</pre>
On 02-Mar-15 1:15 PM, Brian Teitelbaum wrote:<br>
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<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Hey
Allan,</span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">For
many years, my wife and I have been using an old 6’ long
claw-foot tub as our hot tub on the mountain. The 6’ tub is
large enough, but very cozy for two people. We just run
straight hot water from our Aquastar propane water heater
into it, which gets it very hot. It takes a little time to
let it heat up the cast iron tub, which cools it down just
enough for a great soak. It stays hot for a pretty long
period of time, but If it gets too cool, we just run more
hot water into it.</span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Then
we just use the gray water for garden irrigation the next
day. No chemicals, filters, or electricity needed.</span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Brian
Teitelbaum</span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">AEE
Solar</span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p>
<div>
<div style="border:none;border-top:solid #b5c4df
1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">From:</span></b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">
RE-wrenches [mailto:<a moz-do-not-send="true"
href="mailto:re-wrenches-bounces@lists.re-wrenches.org">re-wrenches-bounces@lists.re-wrenches.org</a>]
<b>On Behalf Of </b>Allan Sindelar<br>
<b>Sent:</b> Sunday, March 01, 2015 6:05 PM<br>
<b>To:</b> RE-wrenches<br>
<b>Subject:</b> [RE-wrenches] Chofu Hot Tub Heater</span></p>
</div>
</div>
<p class="MsoNormal"> </p>
<p class="MsoNormal">Wrenches,<br>
I have an off grid client who wants a hot tub, and would
prefer a propane heater rather than wood. The Chofu appears to
be the only unit that doesn't require a circulation pump. He
had located this on his own, but told me that "The propane
fired, self igniting, hydrosiphoning Chofu is no longer
available domestically. Seems the Japanese do not wish to
export these to the USA anymore. I will keep looking as this
was the most sane idea for the project and of course cheapest.
Chofu listed on Island Hot Tub is currently unavailable. I
talked to him a week ago and it sounded like there was no
availability for the foreseeable future."<br>
<br>
Does anyone have a line on where one can be located before
they're all gone? Or a good alternative?<br>
<br>
Thanks, Allan</p>
<div>
<p class="MsoNormal">-- <br>
<br>
</p>
<p class="MsoNormal"><b>Allan Sindelar</b><br>
<span style="font-size:10.0pt"><a moz-do-not-send="true"
href="mailto:allan@sindelarsolar.com"><u>allan@sindelarsolar.com</u></a></span><br>
<span style="font-size:10.0pt">NABCEP Certified PV
Installation Professional<br>
NABCEP Certified Technical Sales Professional<br>
New Mexico EE98J Journeyman Electrician<br>
Founder (Retired), Positive Energy, Inc.<br>
<b>505 780-2738 cell</b><br>
<br>
</span></p>
<p class="MsoNormal"> </p>
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