Here are a couple of good sites to help you decide what pump you need:
http://poolplaza.com/pool-pump-sizing-2.shtml
http://www.poolspa.com/publications/...ries/pumps.htm
Here are a couple of good sites to help you decide what pump you need:
http://poolplaza.com/pool-pump-sizing-2.shtml
http://www.poolspa.com/publications/...ries/pumps.htm
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
I would go to the manufacturer site for your existing pump and find out what the pump performance curve looks like. Then assuming you are happy with the way it performed find one that has similar pumping characteristics.
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