Vertical Polypropylene Float Switch Liquid Level Controller for Aquarium and Pump Control Key benefits Automatic water level control: Keeps liquid at the desired level without constant monitoring, reducing manual refilling and spill risk. Pump support: Works with pump control circuits to enable reliable onoff switching for sump pumps, fountain pumps, and other small water transfer devices. Durable materials: Constructed from corrosionresistant polypropylene for longterm use in typical aquarium and water tank environments. Stable switching: Vertical float design provides consistent operation and clear onoff response in upright installations. Easy integration: Compact, straightforward design simplifies installation into existing tanks, sumps, or reservoirs. What it does This vertical float switch senses liquid level changes and provides an electrical switching signal when the float rises or falls. It is designed for use as a liquid level sensor and a pumpsupporting controller in aquarium setups and small water systems. Important attributes Function: Vertical float liquid level switch for onoff control of pumps and level alarms. Material: Polypropylene body and float for chemical resistance and reduced corrosion. Orientation: Vertical mounting for reliable float movement and consistent switching. Compatibility: Suitable for integration with most pump controllers and simple onoff control circuits used in aquariums, small water tanks, and decorative water features. Performance: Designed to deliver stable, repeatable switching for routine aquarium and smalltank applications. Practical use scenarios Aquarium automatic off: Connect the sensor to a controller or relay to automatically refill evaporated water and maintain a steady water level in freshwater aquariums and reef systems. Sump pump control: Use the float switch in a sump to trigger a pump when water reaches a set height, preventing extended overflow or uncontrolled pooling. Fountain and reservoir management: Maintain consistent water level in indoor fountains, small ponds, and reservoir tanks to reduce manual adjustments and keep pumps operating within intended ranges. Why customers need it Reduces maintenance by automating routine level control tasks. Helps ensure pumps operate only when needed, supporting reliable system function. Provides a simple, robust sensing solution made from materials suited to common aquarium and fresh water applications. Installation notes Install vertically so the float can move . Integrate with compatible pump controllers, relays, or alarm circuits according to the electrical requirements of your system. Verify wiring and mounting meet local electrical codes and the specifications of the pump or controller being used. This polypropylene vertical float switch is a practical, lowcomplexity solution for maintaining liquid levels and supporting pump operation in aquarium and small water system environments.