1.High-Precision Water Level Monitoring: With a three-wire design, the blue wire monitors high water levels, the red wire monitors low water levels, and the white wire ensures stable signal transmission.
eBay
8-in-1 Wireless Solar Water Level Indicator Sensor Tank Level Gauge with LCD Display Liquid Level Meter & Temperature Monitor
Aliexpress UK
【Small Size and Hight Lift】 Our small pump with water level sensor combines space-saving design with efficient liquid handling, perfect for tight spaces,such as air conditioner outer drainage, dehumidifier,air cooler ,HVAC condensate ,furnace and versatile applications.
eBay
Water Level Float Switch Water Level Controller Liquid Level Sensor 75MM/85MM/100MM/150MM/200MM/250MM/300MM/350MM/400MM/1M
Aliexpress UK
Load Resistance: less than (U-10)/0.02Ω;. Compensation Temperature Range: -10c—80c. Stainless steel probe, small size, light weight, anti-vibration, stable and precision. We'd like to settle any problem in a friendly manner.
eBay
Water Level Float Switch Water Level Controller Liquid Level Sensor 52MM/75MM/85MM/100MM/150MM/200MM/250MM/300MM/350MM/400MM/1M
Aliexpress UK
【Small Size】 Our small pump with water level sensor combines space-saving design with efficient liquid handling, perfect for tight spaces,such as air conditioner outer drainage, dehumidifier,air cooler ,HVAC condensate ,furnace and versatile applications.
eBay
52mm Gauge Water Water Level Gauge with 0-190 Ohm Water Level Sensor 100-500mm Level Indicator with Red Backlight for Boat Car
Aliexpress UK
Load Resistance: less than (U-10)/0.02Ω;. Compensation Temperature Range: -10c—80c. Stainless steel probe, small size, light weight, anti-vibration, stable and precision. We'd like to settle any problem in a friendly manner.
eBay
ME202W 5m Water Tank Liquid Depth Level Meter Monitor Automatic Pump Water Addition Level Gauge Ultrasonic Liquid Level Sensor
Aliexpress UK
1.High-Precision Water Level Monitoring: With a three-wire design, the blue wire monitors high water levels, the red wire monitors low water levels, and the white wire ensures stable signal transmission.
eBay
Rotary Paddle Level Switch 220V/24V Bulk Solid Powder Level Sensor Silo Hopper Indicator Industrial Level Measurement
Aliexpress UK
【Small Size】 Our small pump with water level sensor combines space-saving design with efficient liquid handling, perfect for tight spaces,such as air conditioner outer drainage, dehumidifier,air cooler ,HVAC condensate ,furnace and versatile applications.
eBay
Water Level Sensor+52mm Water Level Meter Tank Indicator With Red Backlight 0-190Ohm Water Level Gauge for Car Boat 9-32V Custom
Aliexpress UK
【Small Size】 Our small pump with water level sensor combines space-saving design with efficient liquid handling, perfect for tight spaces,such as air conditioner outer drainage, dehumidifier,air cooler ,HVAC condensate ,furnace and versatile applications.
eBay
Water Level Detector Capacitor Liquid Level Sensor Switch Induction Non-contact Liquid Level Detection
Aliexpress UK