1/4in Quick Connect Hall Effect Water Flow Sensor Switch Meter 0.05-0.8L/min

Water Sensor Relay SPDT Switch Module, DC12V, Load DC30V/AC277V 10Amp Max.

Liquid Level Controller Floatless Relay High Contact Capacity Water Level Switch

5V Water Level Controller Sensor Relay Module Auto Fill Drain Tank Switch

Diaphragm Pressure Switch QPM11 Pneumatic Adjustable NO NC Air Compressor Pump

1/4in Quick Connect Hall Effect Liquid Water Flow Switch Flowmeter 1-25L/min

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Pump Pour Water Auto Controller DC 12V Liquid Level Sensor Switch Relay Module