A float valve sensor controls the switch.

Product Description: Fully automatic control; automatically replenishes water when low in volume and automatically stops when full. Low water quality requirements; inlet equipped with impurity filter; large water output; exquisite appearance; compact size; highly practical; easy installation; no electricity required; convenient to use; long service life; low failure rate; water-saving; more precise water level control; compatible with water tanks, water towers, swimming pools, steam stoves, kitchens, farms, etc. Automatic water dispensing equipment. Product Specifications: Material: 304 stainless steel; Interface: G1/2 inch; Dimensions: 76x49 mm / 2.99x1.93 inches. Note: Clean the pipe before use; install inside the water pipe and install a matching filter at the inlet. Maximum installation tilt angle: 30 degrees; Working pressure range: ≤1.0 MPa; Residential tap water pressure: 0.3-0.5 MPa. When using siphon water supply, ensure the water level drops by more than 80 cm, otherwise it will affect the water output. High temperature resistant medium temperature: 0-100℃. If two valves are installed in the same pool, they should be kept at the same level. Package List: 1 water level control valve, 2 valves per pack. Note: Colors may vary due to different monitors. Please understand. Due to manual testing, please allow an error of 1-3 mm. Thank you.