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Ring Alarm Flood & Freeze Sensor

SKU: 4SF1S8-0EN0
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    Protect your RV from water and freeze damage.

    A slow drip can quickly escalate into a costly repair. Stay ahead of water damage and place the Ring Alarm Flood and Freeze Sensor on the floor or any flat surface near sinks, bathtubs, showers, refrigerators, freezers, washing machines, dishwashers, water heaters, water coolers, toilets, basements and any other sources of potential leaks. You’ll get notifications when water is detected or when the temperature drops below 40°F. For added peace of mind, purchase a Ring Protect Plus plan for 24/7 professional monitoring (sold separately). Only $10/month. No contracts or cancellation fees.



    • Protects your home from water and ice damage.
    • Get notifications on your phone and tablet whenever water or low temperatures are detected.
    • Connects to Ring Alarm Base Station (sold separately).
    • Compatible with iOS and Android devices.
    • Connects via Z-Wave (250-ft range to Base Station).
    • 3-year maximum battery life.



    • Available Colors: White
    • Power: 3V lithium battery included
    • Battery Life: 3 years maximum
    • Operating Conditions: 32°F to 120°F (0°C to 49°C)
    • Connectivity: Z-Wave (250-foot range to Base Station)
    • Dimensions: 2.95” x 2.95” x 1.06” (75mm x 75mm x 27mm)
    • Installation: Place within 250 feet of Ring Alarm Base Station. Ring Alarm Flood and Freeze Sensor is commonly placed in household areas that may experience a sudden temperature drop or flood of water—such as, behind a toilet, under a sink, under a fridge, beside or behind a washing machine, near a water heater, and in a basement
    • Set up Requirements: Ring Alarm Security System (sold separately)
    • Warranty and Service: 1-year limited warranty and service included

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