Snorkel or their Scuba. The Scuba is made for shallow 2 ft stock tanks.My 2 installations have been fine for a couple decades. No plumbing required. The Chofu had a thermosiphon thing going on. For the Snorkels.I do use a circulation pump a few minutes at a time-- just a submerisble bilge pump at the bottom, otherwise you'll be out there with a canoe paddle eliminating stratification, which (ahem) tends to make some body parts uncomfortably toasty for a short period of time as one eases into the tub. At some point I wish to put my Scuba in a small greenhouse to make it work year-round, and pre-heat with a simple solar DHW system.
Dan Fink Buckville Energy IREC Certified Instructor™ for: ~ PV Installation Professional ~ Small Wind Installer NABCEP / IREC / ISPQ Accredited Continuing Education Providers™ 970.672.4342 On Sun, Mar 1, 2015 at 7:04 PM, Allan Sindelar <al...@sindelarsolar.com> wrote: > Wrenches, > 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." > > Does anyone have a line on where one can be located before they're all > gone? Or a good alternative? > > Thanks, Allan > -- > > *Allan Sindelar* > al...@sindelarsolar.com > NABCEP Certified PV Installation Professional > NABCEP Certified Technical Sales Professional > New Mexico EE98J Journeyman Electrician > Founder (Retired), Positive Energy, Inc. > *505 780-2738 <505%20780-2738> cell* > > > > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org > > >
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