Response to Not sure what the head is. Pool is about 40K. I have a Raypak Heater and 60 Sq. ft filter. Skimmers are about 70 ft and 20 ft away. Drain about 40 ft. about 4 different 3 ways on the pool lines. Wondering will this work for me and what is the number that I can run a variable on for energy reduction. I run the current 1.5 hp and a 2.2 SF for about 10 hours to insure there are no issues. Seems to work. Anything less I can get some algae.

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