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My sump pail has been dry for almost 2 months now if not 3. But we had a rain storm last week and 2 days now i heard it kick in here and there. problem is, I went outside and I don’t see any water being discharged from the outside drain when the sump pump is kicking on. Is this normal? and if it is, what is making the sump pup kick on if the pit is dry? I though water builds up in the pit which make the floater in the sump pump rise then the pump kicks on?

Help please…
much appreciated.