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Thread: Intelliflo VS and 1.5 inch pipes?

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    Intelliflo VS and 1.5 inch pipes?

    Is there any problem with using an Intelliflo VS pump with 1.5 inch plumbing?

    A Pentair phone tech indicated that this would put too much strain on the pump and burn it out early. He suggested the Superflo VS. This seems strange since the Intelliflo is 3HP while the Superflo is 1.5 HP

    The Intelliflo better integrates with my solar automation

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    Mod Squad jblizzle's Avatar
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    Re: Intelliflo VS and 1.5 inch pipes?

    Please add your pool details to your signature as described HERE as it will help us help you.

    They are kind of full of non-sense. You can run the Intelliflo on your plumbing, but will want to limit the maximum speed to avoid problems. It is likely overkill though. You are right that the Superflo VS will not likely work well with your automation.

    A cheaper option would be to just get a smaller 2-speed pump (or even motor on you existing pump) which will integrate into any automation system (assuming you have a free relay).
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
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    duraleigh's Avatar
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    Re: Intelliflo VS and 1.5 inch pipes?

    Well, it certainly won't put strain on the pump but it may strain your wallet by putting an oversized pump in your system.

    How big is your pool?

    How large is your filter?
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Re: Intelliflo VS and 1.5 inch pipes?

    Thanks, I have updated my signature, but it is an old 30,000 gallon ig pool that I have been updating as budget allows. The solar panels begin about 15' higher than the pump which sits at the pool deck level and about 8 feet from the pool. There is a run of about 25' of pipe before climbing to the solar level.

    Foolishly, I installed a Intelliflo with SVRS thinking the safety feature would be good for an old pool not likely designed with modern safety features. Great for the electric bill, not for the new solar. Now it is a constant battle with the SVRS when trying to operate the new solar manually. I have yet to install the automation, but do not think the new automated solar valve can move without tripping the SVRS. Between the smaller pipe the pool is plumbed with, a likely underslab suction side leak and a main drain that is either completely clogged or was plumbed out of the system, the SVRS feature is just a PIA.

    Perhaps I can set the pump max speed to prime the solar panels without adding much pressure (about 2050 RPMs) and that the SVRS will not trip in priming mode. A trip and restart will not ramp the pump up too much to over pressurize the panels anyway. Then pump can fall back to between 1700 and 1900 RPM to run solar and that may work. However, I suspect SVRS will be back to battle me again. It may be better to sale the SVRS and buy another pump.

    The Pentair Intelliflo 3050 specifically interfaces with H2otsun's Swim PC, but it might not be necessary to incorporate that feature if there is a pump that is better suited to the task. While not thrilled with spending more for a pump that is overkill like the 3HP Intelliflo, it is a small one time expense that is relatively small compared to the total cost of the pool. It may also allow for more flexible future upgrades to the pool.

    Of course, I would like to solve all the pool problems, but that will likely include new plumbing, a new surface...

    (Loving my TFTestkit by the way)

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