Johnson Polarity Reversing Switch Kit 09-47196 | S25

Johnson Polarity Reversing Switch Kit #189-0947196

• 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.