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Old 02-05-20, 09:01 AM   #855
gadget
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Join Date: Dec 2019
Location: Northern Utah
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I have been using some of the ceramic bearing 2 or 3 phase brushless pumps with good luck. They are suppose to have a pretty long service life and are efficient.

I buy the 24v rated and run them at 12v

High flow and high pumping height;
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

Lower flow and lower pumping height;
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

You want to mount them with the shaft at a horizontal orientation for longest life. I blew up an external controller due to an incident of water running backwards in the pump at a high elevation and was able to replace it with an cheap ebay controller very easily.
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