The Asurity® WS-1 Wet Switch® Flood Detector is designed to prevent flooding, damage to carpets, walls, furniture, and ceilings. Turns system off when detecting moisture due to condensate or drain leaks. Includes a built-in test and reset button. One or two drops is all it takes to turn system off, alerting homeowner or service person to potential moisture problems. Diversitech Wet Switch® Flood Detector, 24 VAC, 1.5 W Power, 50/60 Hz Frequency, For Use With: Condensate Drain Pan, Import