Float switch (optional). - Maximum switching current: 0.5A. - Used to sense the level of the liquid in the tank. - Light weight, simple working principle and high reliability. - Installation : vertical installation.
eBay
Tuya Smart WIFI Water Leakage Sensor Alarm Water Level Detector Flood Leakage Sensor APP Remote Control Security Alarm System
Aliexpress UK
Automatically open when you gather (water tower) water pump (solenoid valve) steadily, and automatically stop pump (solenoid valve) when filled with water. Size: about x 5 x 2cm (length x width x height).
eBay
High Low Voltage Liquid Water Level Sensor 10W/50W 110V 220V AC/DC Horizontal Float Sensor Switch for Tank Pool Water Pumps
Aliexpress UK
Automatically open when you gather (water tower) water pump (solenoid valve) steadily, and automatically stop pump (solenoid valve) when filled with water. Size: about x 5 x 2cm (length x width x height).
eBay
Tuya Smart WIFI Water Leakage Sensor Alarm Water Level Detector Flood Leakage Sensor APP Remote Control Security Alarm System
Aliexpress UK
When the pool (water tower) pump is automatically turned on. 1 Water Level Detection Sensor. Material: PCB board. It has the characteristics of simple wiring, low power consumption, large switching quantity, strong anti-interference ability and high stability.
eBay
Tuya Smart WIFI Water Leakage Sensor Alarm Water Level Detector Flood Leakage Sensor APP Remote Control Security Alarm System
Aliexpress UK
1 PC Raindrop Sensor Module High Sensitivity Single PCB Board Rain Water Level Sensor Module Rising Water Level Detection Module Electronic Component. Easy Installation and User-Friendly: With a simple installation process, raindrop sensor board can be easily integrated into various devices or systems.
eBay
Horizontal Float Sensor Switch Side Mount Liquid Water Level Sensor Controller Automatic Water Pump Controller For Tank Pool 1Pc
Aliexpress UK
When the pool (water tower) pump is automatically turned on. 1 Water Level Detection Sensor. It has the characteristics of simple wiring, low power consumption, large switching quantity, strong anti-interference ability and high stability.
eBay
Smart Zigbee Water Leakage Sensor Alarm Water Level Detector Flood Leakage Sensor APP Remote Control Security Alarm System Z2M
Aliexpress UK
When the pool (water tower) pump is automatically turned on. 1 Water Level Detection Sensor. Material: PCB board. It has the characteristics of simple wiring, low power consumption, large switching quantity, strong anti-interference ability and high stability.
eBay
Tuya Smart WIFI Water Leakage Sensor Alarm Water Level Detector Flood Leakage Sensor APP Remote Control Security Alarm System
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
Tuya Smart WIFI Water Leakage Sensor Alarm Water Level Detector Flood Leakage Sensor APP Remote Control Security Alarm System
Aliexpress UK