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Thread: PB4 Booster Pump for Polaris

  1. Back To Top    #1

    Join Date
    Apr 2012
    Location
    New Orleans, LA
    Posts
    36

    PB4 Booster Pump for Polaris

    Is anyone else having the same issues I am having with this POS booster pump? This is my fourth swimming season and now this thing has seemingly gone out for the second time. I just bought a new one in 2010. Are they this pathetic or is something going on?

    I turn it on and it just hums for about 30 seconds before a fail switch (I guess) kicks it off.
    Pool size: Approx. 25,000 gallons
    Filter: Nautilus Pac-Fab 48 sq. ft. DE
    Inground plaster pool

    https://scontent-b-dfw.xx.fbcdn.net/...089_9416_n.jpg

  2. Back To Top    #2
    Mod Squad Bama Rambler's Avatar
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    Jun 2009
    Location
    SouthWest Alabama
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    22,345

    Re: PB4 Booster Pump for Polaris

    There are reports of those having problems with the centrifugal switch contacts corroding and not making contact, therefore the motor won't start. Take the back cover off and see if you see the contacts and take an emory board and clean them up a bit and see if that helps. If it's a switchless design, then it's likely the capacitor that's bad and they're easily replaced.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

  3. Back To Top    #3

    Join Date
    Apr 2012
    Location
    New Orleans, LA
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    36

    Re: PB4 Booster Pump for Polaris

    If I get the model number off of it can we tell if it is switchless?
    Pool size: Approx. 25,000 gallons
    Filter: Nautilus Pac-Fab 48 sq. ft. DE
    Inground plaster pool

    https://scontent-b-dfw.xx.fbcdn.net/...089_9416_n.jpg

  4. Back To Top    #4

    Join Date
    Apr 2012
    Location
    New Orleans, LA
    Posts
    36

    Re: PB4 Booster Pump for Polaris

    Not sure if this is going to help but it is a Century Pool and Spa, model 1081, 3/4 HP and has PB4-60 on the top of it.
    Pool size: Approx. 25,000 gallons
    Filter: Nautilus Pac-Fab 48 sq. ft. DE
    Inground plaster pool

    https://scontent-b-dfw.xx.fbcdn.net/...089_9416_n.jpg

  5. Back To Top    #5

    Join Date
    Apr 2012
    Location
    New Orleans, LA
    Posts
    36

    Re: PB4 Booster Pump for Polaris

    I cannot tell for sure but I think it is the capacitor. I think I will try to replace it.
    Pool size: Approx. 25,000 gallons
    Filter: Nautilus Pac-Fab 48 sq. ft. DE
    Inground plaster pool

    https://scontent-b-dfw.xx.fbcdn.net/...089_9416_n.jpg

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