[RE-wrenches]

[David Palumbo, Independent Power & Light]

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I have a potential job for a PV powered water pump at a nursery business.
Grid power is present but they like the idea of using solar to do their
irrigation. It is a modest sized operation, the owner estimates water use of
1,000 to 2,000 gallons of water per day.

They had a well drilled last week. 160' deep, 9.5 gpm, static water level -
overflowing now.

I'm looking at the new Dankoff "Lorentz" pumps, and the Grundfos SQ Flex.

An advantage to the SQ Flex would be the ability to run it on the grid power
(when the solar is lacking) that is a short distance from the well.

Is it also worth considering eliminating the storage tank in this case? Just
have a pressure tank setup with irrigation pipelines controlled with on/off
valves? It will be a summertime only deal and need to be setup as a drain
back system.

Any ideas? Experience with either the Lorentz or the Grundfos SQ Flex.

Dave Palumbo

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