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Thread: Pool Pump Replacement

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  1. #1
    CarlD's Avatar
    CarlD is offline SuperMod Emeritus Vortex Adjuster CarlD 4 stars CarlD 4 stars CarlD 4 stars CarlD 4 stars CarlD 4 stars CarlD 4 stars
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    Default Re: Pool Pump Replacement

    Thanks everyone for chipping in. I don't know much about the extra power reqs for a spa, but I do know that a 2 speed pump is an ABSOLUTELY worth-while investment.
    Carl

  2. #2
    mas985's Avatar
    mas985 is offline Lifetime Member Whizbang Spinner mas985 3 stars mas985 3 stars mas985 3 stars
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    Default Re: Pool Pump Replacement

    Most two speeds consume about 1/4 the power on low speed as high speed but the flow rate is half of high speed. So to get the same turnover, which is not always necessary, the pump needs to run twice as long and you would end up saving about 50% in power over full speed. However, if you can maintain the same run time, you would save about 75% in power over full speed.
    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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