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Thread: Single Speed Pump went out, Replace with 2 Speed Pump? Maybe VS?

  1. Back To Top    #1

    Join Date
    Nov 2008
    Location
    Houston, TX
    Posts
    2

    Single Speed Pump went out, Replace with 2 Speed Pump? Maybe VS?

    Hi All,

    First, let me say that I'm a long time reader/member of TFP forums and want to wish each and everyone here a HUGE Thank You for all the wonderful information that I have found here over the years. You are awesome.

    Reason for my post:
    My main pump went out a week ago and I'm looking to replace it.

    Current situation:
    My Pool is turning green.

    I have a small pool, 11000 Gallons, attached spa, with a main 1 HP motor, 3/4 HP BP4-60 Polaris booster pump, and a separate 2-speed spa pump.

    I have been reading on the Trouble Free Pool Forums about the great Electricity savings with the Variable Speed or 2-speed motor pumps now available.

    I am researching these options for my pool and any information I can find on this subject would be greatly appreciated.

    Thanks in advanced and see attached drawing of my pool plumbing layout.

    Current Status:

    1. Pursuing 2-speed option.
    2. Open to VS option.


    Pumps under consideration:

    1. Pentair Superflo 1.0HP 340042 w/ onboard 2-speed switch.
    2. Haywood SuperPump, tristar, MaxFlo, etc.
    3. Whisperpro
    3. open for suggestions.

    Questions:

    1. Based upon the attached system diagram, is there any reason that I can't buy the lowest power consumption, longest lasting pump, available that I can find and run that for as long as needed per day to achieve a clean pool?
    2. Will my booster pump for the Polaris (PB4-60 3/4HP 115VAC) work when the main pump is on low speed, basically, will the low speed pump provide enough water for it to run?
    3. Will my heater work on the main pump @ low speed? If not, I can run it on high speed when I need to use the heater.
    Attached Files Attached Files
    Last edited by WalkinPaul; 09-24-2014 at 08:53 AM. Reason: TMI

  2. Back To Top    #2
    Mod Squad jblizzle's Avatar
    Join Date
    May 2010
    Location
    Tucson, AZ
    Posts
    37,389

    Re: Single Speed Pump went out, Replace with 2 Speed Pump? Maybe VS?

    Welcome to TFP!

    Wow that was thorough

    Why increase to a 1.5hp pump? I would suggest the 1HP 2 speed Pentair Superflo. Whether the heater will be happy on low speed is hard to say, luckily it does but take long to hear up a spa on high speed though.

    Oh and the booster pump will be fine with the main pump on low speed.
    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
    Pool School + Test Kit + PoolMath = A TROUBLE FREE POOL
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  3. Back To Top    #3

    Join Date
    Nov 2008
    Location
    Houston, TX
    Posts
    2

    Re: Single Speed Pump went out, Replace with 2 Speed Pump? Maybe VS?

    Hi jblizzle,

    Thanks for the info on the pump, sorry for the confusion. (My home computer had issues and I updated the original post after I got to work this morning)
    Last edited by WalkinPaul; 09-24-2014 at 07:06 AM. Reason: correction

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