Hi John / and Jay Jay is correct to recommend that you consider Sunpumps or something like that. To be more specific, Sunpumps has a line called SunRotor www.sunrotor.com. Along with Lorentz HR and Grundfos SQF, these are HELICAL ROTOR (progressive cavity) pumps. Eventually, I believe they will send Shurflo and other diaphragm pumps packing to the scrap heap. They have one moving part / brushless motor / easy to service and in general, far greater life expectancy without any demand for preventive maintenance like diaphragm pumps. Pump rotor and stator will last many years if water is generally clean.
I’m including much about this in my upcoming book, so I’m pretty up to date. Lorentz and Grundfos are oversized when looking for replacement for Shurflo, and they run 48V nominal and up. (Shurflo is 24V) SunRotor has a niche in the low power end, starting at 24V. You may find something compatible or easy to adapt to the existing system. Several Chinese companies are producing helical rotor (HR) subs, so you may find something if you search. When I search I get Alibaba pages, from which you can order (like Amazon), but they don’t give complete specs. They even get terminology mixed up and who-knows what else. But from there, you can search the manufacturers directly by name and make direct contact. OR You may find someone in your quarter of the planet who distributes them, which is ideal. At least SOME of those Chinese pumps are good. I can’t say which. Hope this helps. Windy Dankoff // Co-author, upcoming book: Solar Water Pumping (Taylor & Francis, London) > On Jan 16, 2017, at 12:13 PM, re-wrenches-requ...@lists.re-wrenches.org wrote: > > From: "John" <j...@gosolar.co.nz <mailto:j...@gosolar.co.nz>> > Subject: [RE-wrenches] Replacement for the Shurflo 9325 pump.... > Date: January 15, 2017 at 3:04:07 PM MST > To: <re-wrenches@lists.re-wrenches.org > <mailto:re-wrenches@lists.re-wrenches.org>> > Reply-To: RE-wrenches <re-wrenches@lists.re-wrenches.org > <mailto:re-wrenches@lists.re-wrenches.org>> > > > Hi all, can any pumping guys recommend a simple straightforward replacement > for the Shurflo 9325. The one in question has worked faithfully for a > number of years now and has already been repaired once, but they don’t last > forever. > > Of course replacement parts availability is always important. > > The 9325 was a good all ‘round inexpensive workhorse but the application does > not warrant replacing with a more expensive pump like Lorentz, etc. > > Thanks for any suggestions – John Veix, N.Z. > > > > From: jay <jay.pe...@gmail.com <mailto:jay.pe...@gmail.com>> > Subject: Re: [RE-wrenches] Replacement for the Shurflo 9325 pump.... > Date: January 15, 2017 at 3:08:55 PM MST > To: RE-wrenches <re-wrenches@lists.re-wrenches.org > <mailto:re-wrenches@lists.re-wrenches.org>> > Reply-To: RE-wrenches <re-wrenches@lists.re-wrenches.org > <mailto:re-wrenches@lists.re-wrenches.org>> > > > Hi John, > > If you are looking for something similar to the 9325 but better then. > Check out Sunpumps. > Much better pump because of the superior case, cheaper, more reliable and > easier to repair > > Also Sunpumps make some really nice LCB controls. > > jay > peltz power >
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