Automatic Work: The float valves work automatically to maintain the water level. It has a sealed silicone face valves that can withstand high water pressure. When the water level rises, the float lifts up and closes the plunger.
eBay
AC DF-96DK Automatic Water Level Controller Switch 20A 220V 110V Water tank Liquid Level Detection Sensor Water Pump Controller
Aliexpress UK
Water inlet: top inlet/side inlet. Applicable to: 3/4" 1" pipe. Valve body material: nylon. Applicable temperature: 0 degree~70degree. Pressure range: 0.1-1.2KG. Due to different lighting and screen settings, the item color may be slightly different from the picture.
eBay
XKC-C352 Non-contact Level Controller Water Level Sensor Level Sensor Automatic Water Replenishment Water Tank Sensor
Aliexpress UK
Valve body material: PA66 food grade nylon material. Pressure range: 0.1~10 kg water pressure. Sealing material: silicone. Fastening material: 304 stainless steel.
eBay
VENGIM Liquid Level Control Relay Electronic Automatic Water Level Controller Switch 220v Water Pump Controller with Sensor
Aliexpress UK
With stable function and good quality, it is widely used in water conservancy projects, water towers, buckets, water tanks. The output type is relay output. Size: Approx. 60x40x18mm / 2.4x1.6x0.7in.
eBay
2Pcs Float Valve StainlessSteel Water Level Control Automatic Floating Ball Auto ShutOff Water Level Controller for Water Trough
Aliexpress UK
Structural form: Floating ball valve. Valve body material: PA66 nylon. Model: Water filled type. Pressure range: 0.1-1.2kg. texture of material: ABS. Good Good quality.
eBay
Compact Automatic Float for VALVE Water Level Controller Automatic Fill Water Device for Water for Tank Fountains 1/2-in
Aliexpress UK
It can replace the traditional floating ball valve with stable performance and high reliability. [Small & Save Place]This product is small and does not take up space, and it is superior to the traditional process to effectively increase the water output, which is more than the traditional float valve.
eBay
Water Level Float Switch Water Level Controller PP Float Switch Liquid Level Switch Water Level Switch Liquid Level Sensor
Aliexpress UK
With stable function and good quality, it is widely used in water conservancy projects, water towers, buckets, water tanks. The output type is relay output. Output type: relay output. Output capacity: 10A.
eBay
Water Level Float Switch Water Level Controller PP Float Switch Liquid Level Switch Water Level Switch Liquid Level Sensor
Aliexpress UK
With stable function and good quality, it is widely used in water conservancy projects, water towers, buckets, water tanks. The output type is relay output. Size: Approx. 60x40x18mm / 2.4x1.6x0.7in.
eBay
DC 12V Water Level Sensor Controller Switch Module Automatic Liquid Level Flow Control Switch for Motor Water Pump Fish Tank
Aliexpress UK