The Zoeller Pump Company FM Instrumentation Vertical Switch is designed for use with submersible pumps, specifically the PF and QJ series. This switch provides reliable level sensing and control, ensuring optimal pump operation. Its vertical design allows for easy installation in tight spaces, while the durable construction ensures long-lasting performance in harsh environments. The switch meets industry standards for safety and reliability, making it an essential component for effective pump management. Ideal for both residential and commercial applications, this switch enhances the functionality of your pump system.