Johnson Pump 09-47196 Polarity Reversing Switch Kit

The polarity reversing switch allows any flexible impeller pump that uses a polyurethane impeller and has less than a 20 amp rating (F4B capacities and below) to reverse flow direction. Allows ballast tanks to be reversed for filling or emptying and for easily adding or extracting oil from an engine.WARNING: Cancer and/or Reproductive Harm. See