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Thread: A O Smith (Century) V-Green Pump Motor

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    A O Smith (Century) V-Green Pump Motor

    Does anyone have any experience with this motor: AO Smith / Century V-Green EMC27SQV ? I am looking at this as an energy efficient replacement for my Pentair Whisperflo. At first I was looking for a full pump like the Pentair Intelliflow or Hayward Ecostar. Replacing just the motor would save me a couple hundred bucks in equipment and installation. I know that I would be giving up something in not getting the whole pump.
    Unfortunately I cannot find everything that I need to know about the V-Green, like how does it achieve its efficiency and how that efficiency and life span compares to the the other two pumps.
    The V-Green is a variable speed pump (with a remote mountable control panel) so it gets much of its efficiency from that variable speed. The others are permanent magnet motors which increases efficiency and life span. I just can't find that information about the V-Green.
    Anyone know?

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    Brentr's Avatar
    Join Date
    Oct 2009
    Jacksonville, FL

    Re: A O Smith (Century) V-Green Pump Motor

    Wow, this looks very interesting. I wonder what this will cost. I would like to have mas985 thoughts.
    5,775 gal, IG free form, Beach Series Antigua by Marbletite Pebble finish, 2 swim out benches, Sheer Descent, IG Fountain, Dolphin / Mermaid Statues, StaRite Dura- Glas 1.5hp pump, Hayward Pro Series Sand Filter replaced with Hayward Pro-grid DE4820, Aqua Rite SWG with T-Cell 15, Polaris 360, Pentair 300w Light upgraded to Pentair IntelliBrite (OMG what a huge difference) , Heat Siphon Heat Pump DX 5.0 109,000 btu, Pool Cage, 1800sq ft Tremron Estate Pavers, solar cover, TF-100 test kit, Pentair Deck Jet, Apollo Magnetic Stirrer (Makes testing a breeze), Aquatherm Ecosun Solar Panels 192 sq ft with GL-235 Controller,Margarita Concoction Machine,
    Pics of our Spool ( Social Pool) being built Solar install Outdoor kitchen upgrade

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    Re: A O Smith (Century) V-Green Pump Motor

    Best I have seen so far is $729, free shipping.

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    mas985's Avatar
    Join Date
    May 2007
    Pleasanton, CA

    Re: A O Smith (Century) V-Green Pump Motor

    The V-Green also uses a permanent magnet motor. The efficiency should be similar to the EcoStar and Intelliflo but life span at this point is probably unknown given that the motor is fairly new. You can get most of the information from here: ... 0737418318
    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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