Question about Genius Wayne Submersible Sump Pump With Switch

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I have wayne 3/4 horse switch genius pump whis is new. keeps on sucking air and will not shut off for several seconds making terrible air sucking sound thruout the house it is so loud. I have leveled the pump and it is free and clear of any obsticles. what can I do to get this to shut off after the water is gone without several seconds of this.

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  • b812 May 11, 2009

    What an annoyance!

    Mine cavitates for 5-10 seconds after empty and the noise is brutal!

    It's going back so I can sleep again.


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You can raise the switch in relation to the pump to ensure that shut off occurs before the pump starts sucking air. Somewhere between 1-2" ought to do it. The switch is attached to a 'spindle' on the pump through 2 holes in the switch. I unscrewed the spindle so that I could take the top switch hole off of the spindle while leaving the bottom hole on. Then I screwed the spindle back in. This allowed the switch to be raised in relation to the pump. I drilled two small holes in a plastic part near the top of the pump & secured the top hole of the switch to the pump body with string. Crude, but effective.

Posted on Mar 13, 2010

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Ask for your money back. That's what we did. The pump turns on when the water reaches a certain height, but there is a minimum timeout. If you have a small crock, it will empty too fast and the pump sucks air and vibrates all of the piping. Sound deadening won't help that.

If you have a large enough crock, the pump may shut off before the crock is drained.

As an electrical engineer, I would never have designed such a flawed switch or allowed it to go to market.

Posted on Jun 24, 2009

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I don't believe the genius switch is adjustable, as to the water level, but a possible solution is to better insulate the lid of the sump pump crock with a sound dampening material i.e. the use of Polystyrene insulation board, available in many thicknesses that can be easily cut (using just a hacksaw blade in a gloved hand) and fitted to your application.
Note: Do not seal the lid of the crock air tight, because some penetrations are needed to allow surface water to enter the sump pump area. Also make a penetration (just large enough to fit a piece of rope) at the center of the Polystyrene insert so as to install a short piece of rope with a knot tied on ether side of the insert, as a meg-shift handle for easy removal.
Hope this helps   good luck...  

Posted on Feb 24, 2009

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SOURCE: pump runs too long

Install a float switch that will switch-off the pump once the water reaches its level.

Posted on Mar 09, 2009

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