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Thread: HP and SF determination

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    HP and SF determination

    Having trouble determing HP and SF. No indicator other than both fields have ---- Just four dashes like that. Never seen that before, but as i have stated previously. I have been out of the industry for over a decade. Anyway, any insight would be appreciated.

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    Join Date
    May 2009
    Youngsville NC

    Re: HP and SF determination

    Is there at least a make and model markings ?
    16x32 IG 19,000 gallons, Pentair 1.5 hp Energy Efficient Superflo pump (348024),vinyl liner, Nature2 Express , Chlorine dispenser, Hayward S-244T sand filter

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    Re: HP and SF determination

    Century Lasar A.O. Smith. Aquatools.

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    Re: HP and SF determination

    It is a dual speed motor. I know the service factor determines true HP, but both the sf and hp have the dashes indicators as opposed to an actual numerical value.

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    mas985's Avatar
    Join Date
    May 2007
    Pleasanton, CA

    Re: HP and SF determination

    Normally, that indicates 1 HP and 1 SF.
    Hydraulics 101; Pump Ed 101; Pump and Pool Spreadsheets; Pump Run Time Study; DIY Acid Dosing; DIY Cover Roller
    18'x36' 20k plaster, 1/2 HP 2sp pump, Aqualogic PS8 SWCG, 420 sq-ft Cartridge, Solar, 6 jet spa, 1 HP jet pump, 400k BTU NG Heater, ThePoolCleaner

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    Re: HP and SF determination

    I had a hunch as such, but was really not sure.


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