Item 1 Paddle type flow switch FS4-3 series • For use in pipes 1" and up • Min/Max flows given in PDF
Item 2 Inline BSP type flow switch F5S series • 3/4" in stock • Min/Max flows given in PDF
Item 3 Ultrasonic non-contact Level Transmitter / Sensor • 2" connection • 18-32v DC or 115-230v AC