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

G1/2 Inch Hall Effect Liquid Water Flow Sensor Switch Flowmeter Meter 1-30L/min

3/8" 1/2" INCH NPT ADAPTER FAN GROUNDING THERMOSTAT SWITCH COOLANT TEMP SENSOR

Non-Contact Liquid Level Sensor Water Alarm Induction Switch Detector DC 5-30V

Versatile Brass Water Flow Switch with Immediate Activation, 1-30L/min

ADAPTER FAN GROUNDING THERMOSTAT SWITCH COOLANT TEMP SENSOR 3/8" 1/2" NPT 190'F

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

♡ HFS-25 Target Type Water Switch Paddle Switch Accessory