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Thread: Polaris 65 only goes backwards

  1. Back To Top    #1

    Join Date
    May 2015
    Barnegat, NJ

    Polaris 65 only goes backwards

    I'm trying to diagnose the failing part in my Polaris 65. I've read other posts and still am not sure what the issue on mine might be. I've taken the top off and watched what the pistons does.

    Since it only goes backwards, the piston is stuck in the 'down' position. If I pull the piston out and turn everything on, the piston spins and goes back down, changing the jets from front to back. When it reaches the fully down position, it gets stuck there. There is a little pressure relief hole at the end of the piston tube that water is constantly coming out of. When then piston is stuck in the down position, I can place my finger over the hole and then the piston will begin to move up. Releasing my finger allows it to continue to the up position and then back down where it gets stuck again.

    I've taken apart the entire assembly and everything move smoothly. I've also cleaned the little filter screen.

    I'm thinking the one way valves in the piston are getting stuck and I need a new piston. Does this sound accurate?

    Thanks for any help.

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

    Re: Polaris 65 only goes backwards

    Welcome to TFP!!!

    Sorry you have not gotten a response, but I too am no help. Hopefully someone will see this bump and be able to help.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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