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Copper Alloy Flow Switch G1/2 Thread 1-30 L/min Reed Output For HVAC Compatible

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Copper Alloy Water Flow Switch G1/2 Thread 1-30 L/min for HVAC Applications

Copper Flow Switch G1/2 BSPP Thread 1.5 to 30 Liters per Minute For HVAC

Rolling Door Contact Magnetic Reed Switch Alarm with 3 Wires for N.O./N.C. Appli