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Thread: Replacing a pump motor, what else do I need?

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    Replacing a pump motor, what else do I need?

    I'm pretty much decided to buy a A.O.Smith/Century variable speed replacement motor to replace my Hayward Superpump single speed. Since my Superpump is 1hp, I've been recommended the ECM16CU rather than the ECM27CU which is 2.7 hp.

    Looks like both pumps come bare bones so I'm wondering what else I need to mount it to my Superpump housing. Assuming the wet end is in good shape, can I just reuse the seals? What other parts do I need?

    In the attached diagram, I assume I'm just getting part #20. Are there other parts I should order at the same time?
    Attached Images Attached Images
    Concrete (gunite) inground pool and spa (80,000 litres/21,000 gallons)
    Hayward H350 natural gas heater (electronic)
    Goldline Aquarite chlorine generator
    Hayward pumps, Hayward Pro Series sand filter, Goldline valve actuators

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    Richard320's Avatar
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    Jan 2010
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    San Dimas, CA (LA County)
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    Re: Replacing a pump motor, what else do I need?

    You need part 23.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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    Re: Replacing a pump motor, what else do I need?

    Excellent thank you.
    Concrete (gunite) inground pool and spa (80,000 litres/21,000 gallons)
    Hayward H350 natural gas heater (electronic)
    Goldline Aquarite chlorine generator
    Hayward pumps, Hayward Pro Series sand filter, Goldline valve actuators

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