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12, 24, and 48 Volt DC Submersible Pumps |
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Independent Water Systems
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While 120 volt AC pumps are great for pumping water out of a well and straight into a diaphragm tank (pressurized), these DC pumps are used primarily for moving water from your well, springhead cistern, etc. to another cistern above your house. In other words, a non-pressurized use, where all you want to do is move water with the least amount of electricity. For applications like these, DC water pumps excel, because they require less electricity to operate than the 120 volt AC pumps and can be run straight from batteries or (for certain models) directly from solar panels. DC submersible pumps are not generally used for supplying pressurized water straight to a house because they pump slower than their AC counterparts. Once again, they are great water movers. Grundfos is one of the leading submersible AC/DC pump manufacturers and their SQFlex series of pumps is capable of lifting water 600 feet to a cistern (less if it will be used to pressurize the water). This pump is capable of operating on a wide variety of voltages from both AC & DC electricity. Lorentz also manufactures efficient DC powered solar pumps capable of pumping water 760 feet to a cistern (less if it will be used to pressurize the water). SunPumps is another manufacturer of DC solar pumps. See manufacturers and resellers of DC water pumps in the Sources A-Z section .
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