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Thread: chlorinator leaks at control knob

  1. Back To Top    #1

    Join Date
    Apr 2015
    Danville, IL

    chlorinator leaks at control knob


    Attached is a picture of my chlorinator and a close up of the control knob. When I turn the dial to increase the chlorine to the pool (counterclockwise) it starts leaking behind/around the knob at a pretty good amount. I have to set the dial almost completely closed to keep water from running out onto the floor which makes less chlorine enter the pool. There doesn't seem to be many moving parts to this so it can't be that complicated. I first thought there was an O-ring where the knob is located but don't see any. Anybody else have this problem and how did you fix it?
    24' round;11.5k gallons; AG - vinyl liner; Hayward S166T sand filter; Hayward Power-Flo 1 hp; year built ?? brand/make ??

  2. Back To Top    #2
    Richard320's Avatar
    Join Date
    Jan 2010
    San Dimas, CA (LA County)

    Re: chlorinator leaks at control knob

    From the parts diagram, it looks like the knob is sealed with O-rings and secured with a clip inside. Make sure of the model, though. I just picked one at random.

    200 Inline and Offline Series Parts -
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
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