Just bought a new home (to us) and inherited a pool. Working on getting all the chemistry balanced and going well.
Have a Hayward navigator pool cleaner and this contraption was attached to where the hose plugs into the skimmer. Seems the valve would open to prevent all the water from being sucked through the hose/cleaner but I'm not sure of its purpose. Any ideas?uploadfromtaptalk1433816402666.jpg
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