Cyclone Variable Pressure/5-Position
Restore your FlowZone backpack sprayer with this diaphragm pump and circuit board assembly replacement. The pump features a durable Santoprene membrane designed for long service life and compatibility with many water-based chemicals, along with threaded output hose connectors for secure installation. The included circuit board is epoxy-sealed for waterproof protection and uses automotive-style connectors for quick, hassle-free replacement in the field.

