You could look at the rotary vane pump ( dankoff for example). They come in 24v, quiet, require extremely good filtration, much smaller than the MQ but you’ll need a small pressure tank.
jay peltz power > On Oct 28, 2016, at 1:13 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.org/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org > _______________________________________________ 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
