Little Giant HWAB High Water Alarm
Best reliable alert system for homeowners with indoor sump pumps.
This is the essential insurance policy for your basement or utility room. It trades complex smart-home connectivity for a simple, rock-solid mechanical float switch and battery backup, ensuring you get a reliable alert the moment water levels rise—even when the power grid fails.
$128.38
at
Wastewtrsupply
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Who it's for
- Homeowners needing reliable notification in noisy or distant environments
- DIY enthusiasts looking for a quick and easy setup process
- Residents in areas prone to storm-related power outages
Who should skip it
- Property owners needing a solution for exterior drainage or septic systems
- Frequent travelers who require remote monitoring and mobile notifications
- Users with deep basins or distant power outlets
Performance breakdown
Reliability
Mechanical float switch design offers proven, consistent performance in critical situations.
Power Resilience
Battery backup ensures monitoring continues even when the main power fails.
Installation Flexibility
Generous 15-foot cord allows for versatile placement in most indoor setups.
Build Durability
NEMA 1 thermoplastic enclosure provides robust protection for demanding indoor environments.
Monitoring Clarity
Visual power-on indicator provides immediate, at-a-glance status confirmation for users.
Alert Effectiveness
Dual audible and visual alarms ensure you are notified before flooding occurs.
Key Specs
Voltage
120VAC primary, 9VDC secondary
Alarm Horn
87 decibels
Enclosure
NEMA 1 thermoplastic
Power Cord Length
6 feet
Sensor Cable Length
15 feet
Max Liquid Temperature
140°F
Certifications
UL listed, CSA certified
Intended Application
Lift pump chambers, sump pump basins, holding tanks, sewage systems
Know before you buy
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Ask Metto anything about the Little Giant HWAB High Water Alarm before you decide.
