Portacool FLOATSWITCH-KIT Pump Shutoff Switch for Jetstream 1600,  Jetstream 2400 Portable Evaporative Coolers Genuine Portacool Replacement Part Protection - extend the life of your evaporative cooler pump Automatic monitoring and shut off - protects your pump from failure Complete kit - hardware included for quick and easy installation Service Assurance - backed by Portacool's customer service experts