Description
The DC 12V Water Air Inlet Flow Switch (½”) is a compact and efficient device designed to automatically detect the flow of water or air in pipelines. It is commonly used in water heaters, purifiers, boilers, and air conditioning systems for automatic control and safety functions. When liquid or air flows through the pipeline, the switch activates to trigger pumps, valves, or other control equipment, ensuring smooth and reliable operation.
Features:
Compact ½” threaded design for easy pipeline installation Detects and controls the flow of water or air automatically Provides reliable switching for pumps, solenoids, and controllers

DC 12V WATER AIR INLET FLOW SWITCH ½”
High sensitivity and fast response to flow changes Durable construction with long service life Ideal for household appliances and industrial systems
Specifications:
Inlet and outlet: hose barbs for 1/2″ (outer diameter) hose
Pressure: 0.02- 0.8Mpa Max fluid temperature: 100°C
Operation mode: normally closed Valve type: diaphragm (operated by Servo)
Usage: water and low viscosity fluids The inner diameter: 13.5mm
Four external diameters of thread: 20mm










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