Liberty Pump Switch Reliability

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by wraujr, Mar 8, 2010.

  1. wraujr

    wraujr Member

    Sep 24, 2007
    All this talk about Zoeller switches on M53 has me looking at the Liberty pumps.
    Specifically, the mobel 257 has a float switch that is a VMF which appears
    to be magnetic with a float. Any experience with the reliability of this

    Also any opinion about 257 (cast iron housing) vs 237 (aluminum housing)??
    Last edited: Mar 8, 2010
  2. lemmy

    lemmy Member

    Aug 26, 2013
    knoxville, tn
    I know this is a VERY old post, but now 10 years later does anyone have any opinions on this? (VMF switch and the aluminum vs cast iron)?
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  4. gagecalman

    gagecalman Member

    Nov 25, 2016
    Baltimore, MD
    I've had excellent results using a HydroCheck HC6000 "Hi-Lo Sump Pump Controller" with a manual pump. No floats to hang up and no mechanical switches to go bad. There are two sensors so you can set the on/off height where it works best for your situation and to reduce short cycling.

    I also use a Basepump water powered backup sump pump. If you are on public water and not on a well they work great.

    I've installed a few Liberty model 230 pumps (manual, no switch) that are powder coated aluminum without any issues.
    I hope this helps.
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