Johnson Pump Automatic Float Switch winterization-moisture-control and steel surfaces

and steel surfaces

and power of magnets for a 100% leakproof

Excellent dissimilar metal corrosion barrier

Allows pump to prime without waste

Johnson Pump Automatic Float Switch winterization-moisture-control and steel surfacesWhen water exceeds the acceptable level, the pump is turned on by a rolling steel ball, which changes the pressure on the micro switch. This automatic switch has a time proven micro switch without mercury. When water exceeds the acceptable level, the pump is turned on by a rolling steel ball, which changes the pressure on the micro switch. Attaches to any Johnson Pump bilge pump through the clip on "T slot" and can be used with any 6, 12, 24 or 32 V