Low speed will have lower pressure and theoretically should be about 3 PSI but gauges get inaccurate at low PSI. 1/2 the flow rate results 1/4 the head loss in the plumbing.
But is the pump basket staying full between pump runs?
Re: Sizing a new pump
Low speed will have lower pressure and theoretically should be about 3 PSI but gauges get inaccurate at low PSI. 1/2 the flow rate results 1/4 the head loss in the plumbing.
But is the pump basket staying full between pump runs?
Mark
Hydraulics 101; Pump Ed 101; Pump/Pool Spreadsheets; Pump Run Time Study; DIY Acid Dosing; DIY Cover Roller
18'x36' 20k plaster, MaxFlo SP2303VSP, Aqualogic PS8 SWCG, 420 sq-ft Cartridge, Solar, 6 jet spa, 1 HP jet pump, 400k BTU NG Heater
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