Wrenches:
I know from searching the archives that the virtues of Grundfos vs. Lorentz pumps have been discussed briefly, but seemingly not lately. If I am repeating something, please direct me to previous discussion threads. Stock watering situation: Total Dynamic Head = 212 feet; 48.5 degrees north latitude; need 1250 gallons per day in July and August; can pump a maximum of 3 gallons per minute from a developed spring without drawing down the water level; 2300 gallons total water storage capacity (1700 gallon tank and 600 gallon trough). Going to try to not use batteries. I think it can just barely be done with the allowable flow. I am looking at possibly using the Lorentz Solar Pump PS600. It appears to be quite versatile which is important for fine-tuning this particular stock watering system. Any comments or suggestions about this pump (suitability, reliability, cost) vs. the Grundfos 6 SQF-2? Distributers for the Lorentz pump? Bob Clark SolarWind Energy Systems, LLC
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