Water level sensor bearing double ball stainless steel water level sensor float switch for water tanks, swimming pools and fish tanks The double float switch can be used to control the liquid level (drain or discharge) of water tank, pond, sink, fish tank, etc., or as an upper or lower limit alarm switch for the liquid level. The contacts inside are made of very high sensitivity reed tubes. The normal water intake process is activated by the lower float switch and deactivated by the upper float switch. Drainage is activated by the upper float switch and the lower float switch stops working Color: Silver Size. Product List: 1*water level sensor
