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Thread: Variable Speed Pool Pumps

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    Variable Speed Pool Pumps

    New to this site,and hoping to gain some knowledge from all the posts. I have been doing some research on the Pentair Intelliflo variable speed pumps,as I want to upgrade my current pump. There are seven different models of these pumps and I need help determining which would be best for my pool. Any help would be appreciated.

    18'X40' Inground pool (approx.24,000 Gal.)
    Pentair CCP420 cartridge filter (150 gal. min)
    Pentair Intellichlor IC 40 chlorine generator
    Pentair Whisperflo 1.5 HP 1.5" piping

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    Mod Squad Jimrahbe's Avatar
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    Re: Variable Speed Pool Pumps

    Bill,

    I recommend that Intelliflo 3 HP pump. It was designed to be a VS pump. Don't let the 3 HP label scare you away, as that is the maximum HP, at 3450 RPM. Most people with this pump run it at around 1,000 RPM. In my case, because I also have the IC40, I need to run mine at about 1,200 RPM to ensure the flow switch is closed. At that speed the pump only uses 170 Watts.

    I suspect that you have your current pump and SWG on the same timer. When the pump runs, the SWG runs. You can't really do this with the Intelliflo, because it has to have continual 220 volts applied. The pump comes on using the built in timer/program. This will mean that you just have to make sure that the timer, running the SWG, is synchronized with the pumps built in timer, so that the SWG does not come on if the pump is not running.

    I have then running at two rent houses which both have 1.5 inch plumbing and both have been working great for a couple of years so far. The 3 HP model comes with 2" plumbing but easy enough to reduce down. Make sure whatever pump you buy, that you get the recommended unions to connect them to the plumbing.


    Update.. here is a little more info..

    You do not want the Variable Flow model, and you do not want the VS+ SVRS model as it has a higher required RPM at the low end.
    I would also not go with the Intelliflo L1 or L2 as they have already been discontinued.

    I'd go for either the original one P/N 011018 (If any are left) or the new Intelliflo 2 VS, P/N 011055. The main difference between the old one and the new one is that the new one has a detachable head that you can rotate so that you can see the controls better.

    of course I'm saying all this assuming that your equipment pad is set up for 220 volt operation.

    Thanks,

    Jim R.
    Finished in 2015 - 17K Gal, IG, 20' x 25' Almost Rectangular Pool, Pebble finish, three rockport water falls. Pentair Equipment: EasyTouch 4, IC40 SWG, 3 HP VS Pump, CCP520 Cartridge Filter.
    TF100 with SpeedStir and SampleSizer, ColorQ Pro 7, Dolphin Premier Robot Cleaner, added Screen Logic 2, added small 3 person Calder Spa.

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    Mod Squad pooldv's Avatar
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    Re: Variable Speed Pool Pumps

    +1 to that. I love my Intellifo VS pump. I run mine at 1100 rpm for skimming, filtering and making chlorine with the SWG. It uses 150 watts at 1100 rpm.
    TFP Moderator
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    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

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    Re: Variable Speed Pool Pumps

    Quote Originally Posted by pooldv View Post
    +1 to that. I love my Intellifo VS pump. I run mine at 1100 rpm for skimming, filtering and making chlorine with the SWG. It uses 150 watts at 1100 rpm.
    Ditto
    Matt
    2016 Pool Build: 12k IG Blue Granite Pebblesheen, Travertine Coping & Pavers, Pentair IntelliFlo, Intellichlor, Easytouch, Clean & Clear 320, Heliocol Solar - TF-100 test kit w/ SpeedStir
    SWG Run Time Calculator

  5. Back To Top    #5

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    Re: Variable Speed Pool Pumps

    Thanks Jimrahbe, you have answered all my questions.

    - - - Updated - - -

    Thanks mgmoore7.

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