eBay
XH-M203 Water Level Controller Automatic Water Level Controller Water Level Switch Level Water Pump Controller 12V Relay Output
Aliexpress UK
Type: Ultrasonic Level Gauge. Support tank high/low alarm and tank liquid empty alarm. It can keep the minimum/maximum record of tank liquid level. Simultaneous display of indoor temperature (° or °) and water tank temperature (° or °).
eBay
ME201W Smart Home High Accuracy WIFI Remote Ultrasonic Oil Water Tank Level Meter Sensor Wireless Water Level Sensors
Aliexpress UK
The Level Waters(tm) MC-01B/SW EasyFill(tm) Sensing Unit provides dependable automatic water level sensing at a fraction of the cost of professional systems. Complete systems are available as the MLS-3401 and MLS-1002 EasyFill.
eBay
DF-96D DF-96DK Water Level Controller Switch 25A 220V Water Tank Liquid Level Detection Sensor Water Pump Controller 2M Wires
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
Huepar Digital Display level Inclinometer 610mm Electronic 360°Protractor Angle Finder With Magnets Edges Bubble Level Test Tool
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
Water Level Controller Automatic Water Level Controller Water Level Switch Automatic Pumping Water Drainage for Switch Supply
Aliexpress UK
This is a mini stainless steel float switch. This float switch is a device used to sense the level of liquid within a tank. 2 x Float Switch Stainless Steel. Max switching current: 0.5A. or base of your tank,depending on whether you for wish to detect the water's rise or fall.
eBay
AC 220V Water Level Controller Automatic Water Level Controller Water Level sensor Switch Automatic Pumping Water Drainage
Aliexpress UK
Automatically open when you gather (water tower) water pump (solenoid valve) steadily, and automatically stop pump (solenoid valve) when filled with water. Material: electronic parts. Size: about x 5 x 2cm (length x width x height).
eBay
ME201WZ Smart Home Zigbee Tuya Mobile App Detector Water Fuel Alarm Indicator Remote Water Tank Level Sensor Monitor
Aliexpress UK
Water Level Sensor Tank Float Switch Pool PP Liquid Ball Float Level Sensor for Arduio ESP32 ESP8266. Use it with hydroponics, saltwater tank, freshwater tank, gardening. Size: Cable length: 40cm, float length: 8.5cm.
eBay
0-190 ohms Fuel Level Sensor/Water Level Stainless Steel A5 Sensor For Auto Car Boat Water Tank Level Indicato Fuel Level Gauge
Aliexpress UK