One type of sump pump that is available commercially has a start-stop operation due to water pressure against a , which in turn pushes against a small integral switch within the submersible pump.
A)snap switch
B)neoprene gasket
C)steel ell
D)float switch

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The Answer of One type of sump pump that is available commercially has a start-stop operation due to water pressure against a , which in turn pushes against a small integral switch within the submersible pump.
A)snap switch
B)neoprene gasket
C)steel ell
D)float switch

One Type of Sump Pump That Is Available Commercially Has