DN20 Water Flow Meter Flowmeter Water Flow Switchs 1.5-50L/min External Thread
Thread: DN20. When the water flow less than the starting flow, the water flow switchs outputs a "off" signal. Working water flow range: 1.5-50L/MIN. Thread: 15mm. Starting water flow: ≤1.5L/MIN. Switching current: 0.5A.