Strong compatibility, through a variety of non- material containers, such as, glass, ceramics and other containers, sensing distance of up to 10mm; liquid, powder, granular objects can be detected. This Liquid Water Level Sensor can be used to detect the liquid levle in tube/pipe.
eBay
Digital Dual Gauge with Alarm 0-190ohm 52MM Water Level+Sewage Level Meter for Water/Sewage Level Sensor Car Boat Marine Custom
Aliexpress UK
When the pool (water tower) pump is automatically turned on. It has the characteristics of simple wiring, low power consumption, large switching quantity, strong anti-interference ability and high stability.
eBay
Water Level Indicator Tank Level Control Instrument Relay Alarms Submersible Water Level Sensor tank 0-10V RS485
Aliexpress UK
When the pool (water tower) pump is automatically turned on. It has the characteristics of simple wiring, low power consumption, large switching quantity, strong anti-interference ability and high stability.
eBay
Ecowitt LDS01 Laser Distance Sensor, Laser Rangefinder for Water Tank Levels and Snow Depth with LCD Screen for Real-Time Monito
Aliexpress UK
Enhance your water level sensing system with this high-quality Fluid Water Level Sensing Switch Sensor. Made of durable ABS/Plastic and plastic materials, this float switch comes in a sleek black colour that matches any interior or exterior. The switch style is float, while the port type is also float, making it ideal for marine, electronics, and automotive applications. With a screwless installation feature, this switch is easy to set up and comes with a suitable current rating of less than 1 A and current type of AC/DC. The coil voltage ranges from 201-250 V, while the fuse type is switch. This smart home-compatible switch is universal and suitable for any space. Get your hands on this high-performing switch today and experience its seamless performance.
eBay
Water Level Float Switch Water Level Controller Liquid Level Sensor 75MM/85MM/100MM/150MM/200MM/250MM/300MM/350MM/400MM/1M
Aliexpress UK
Can steady achieve the pool (towers) automatically open the pump when of water, automatically stop the pump (solenoid valve) when full of water. - Can steady achieve the pool (towers) automatically open the pump when of water, automatically stop the pump (solenoid valve) when full of water.
eBay
Water Level Float Switch Water Level Controller Liquid Level Sensor 52MM/75MM/85MM/100MM/150MM/200MM/250MM/300MM/350MM/400MM/1M
Aliexpress UK
A float switch is a device used to sense the level of liquid within a tank, it may actuate a pump, an indicator, an alarm, or other device. 1 Pcs Liquid Float Switch. Switching current (Max): 0.5A. Contract resistance (Max): 100 OHM.
eBay
3 Pieces/set Liquid Level Sensors Stainless Steel Water Liquid Level Probe for Water Level Controller Durable
Aliexpress UK
The switch may actuate a pump, an indicator, an alarm, or other device. A float switch is a device used to sense the level of liquid within a tank. It is adjustable automatically high switching capacity, strong anti-interference, features high stability.
eBay
Moray ME201W Tuya App Ultrasonic Water Level Detection High Accuracy Remote Liquid Level Gauge Water Level Sensor
Aliexpress UK
A float switch is a device used to sense the level of liquid within a tank, it may actuate a pump, an indicator, an alarm, or other device. 2Pcs Liquid Float Switch. Switching current (Max): 0.5A. Contract resistance (Max): 100 OHM.
eBay
Tuya Smart WiFi Ultrasonic Tank Level Monitor & Pump Relay, Auto Control with App Alerts for Water Level Sensors
Aliexpress UK