Boats have small pressure switched potable water pumps running on DC. The pumps from manufacturers like Jabsco last for a long time and can be rebuilt.
https://www.amazon.com/Jabsco-31620-0092-Marine-Pressure-Outlets/dp/B000O8B4CG/ref=sr_1_10?s=boating-water-sports&ie=UTF8&qid=1477760477&sr=1-10 On Fri, Oct 28, 2016 at 3:13 PM, Ray Walters <r...@solarray.com> wrote: > Greetings Esteemed Wrenches: > > We have a tiny house project, and need to supply the pressure pump. My go > to pump has been the Grundfos MQ series of constant pressure pumps. They > have no start up surge, and don't require an external pressure switch or > pressure tank. For small part time cabins, we've used the Shurflo or > Aquatec diapraghm pumps. > In this case, I fee that the Grundfos is overkill at 10 GPM, and that the > RV pumps won't last very long in full time use. Any other choices out > there I should be looking at? > I'm thinking 3 GPM max will be fine, but I would like something more > reliable. The pump would be preferred to be 120 vac, but I might consider > a 24 vdc unit if it otherwise fits the bill. > > As always, thanks in advance for all your comments and suggestions. > > -- > R.Ray Walters > CTO, Solarray, Inc > Nabcep Certified PV Installer, > Licensed Master Electrician > Solar Design Engineer > 303 505-8760 > > _______________________________________________ > 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.or > g/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org > > -- Chris Mason NABCEP Certified Solar PV Installerâ„¢ Solar Design Engineer Generac Generators Industrial technician www.cometsolar.com <http://www.cometenergysystems.com> 264.235.5670 869.662.5670 Skype: netconcepts
_______________________________________________ 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