Liberty Alarm ALM-2 Indoor High Liquid Level
Best flood prevention tool for homeowners with sump or sewage pits.
This is the ultimate insurance policy for your basement, turning a potential flood disaster into a manageable alert. While it lacks smart-home connectivity, the simplicity of a hardwired float sensor and battery backup means it works reliably when the power—and your Wi-Fi—inevitably goes out.
$185.00
at
F.W. Webb
Who it's for
- Homeowners seeking immediate protection against costly basement flooding
- Users needing reliable alerts during power outages
- DIYers wanting a quick, straightforward setup process
Who should skip it
- People needing protection for outdoor or damp environments
- Users requiring a maintenance-free, debris-resistant sensor
- Travelers needing remote notifications while away from home
Performance breakdown
Reliability
Float sensor mechanism offers proven, dependable performance for critical flood prevention.
Power Resilience
Battery backup ensures monitoring continues even when the main power fails.
Installation Simplicity
Straightforward wall-mount design makes setup quick for most homeowners.
Alert Effectiveness
Dual audible and visual signals guarantee you never miss a warning.
Build Durability
Rugged construction stands up well to harsh sump and sewage environments.
System Versatility
Handles sump, sewage, and effluent pits with equal, consistent precision.
Key Specs
Voltage
115V
Battery Backup
Yes (9V)
Dimensions
8IN (W) x 8IN (H) x 5IN (D)
Shipping Weight
5.000 LBS
Sensor Type
Float
Warranty
3 years
Power Source
115 Volt
Detection Type
Spot Sensor
Mounting Type
Wall Mount
Sensor Location
Integrated Sensor
Know before you buy
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