Water Leak Sensors · Head to head

Heiman Smart Water Leakage Sensor vs Moen Smart Leak Detector

Full Smart Water Leak Sensors comparison in 2026

Updated September 2026
Data from Amazon and official Heiman and Moen sites.
2026 verdict
Five-year battery and a loud local alarm: the Heiman Smart Water Leakage Sensor is the better overall water leak sensor, winning on price, owner rating and 5-year battery life.
Heiman Smart Water Leakage Sensor
Winner
Heiman Smart Water Leakage Sensor
$15.99$19.9920% OFF
Buy on Amazon USACheck price
It is a hub-free 2.4 GHz Wi-Fi leak puck with an IP67 body, a local siren, an LED and Home Assistant. The Moen Smart Leak Detector still wins on sensors and alerts by adding temperature and freeze coverage plus a sensing cable. Choose the Heiman Smart Water Leakage Sensor for a cheap, long-life local leak alarm; choose the Moen Smart Leak Detector if freeze-temperature alerts are the point.
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FeatureHeiman Smart Water Leakage SensorMoen Smart Leak DetectorWinner
Price$15.99$51.00Heiman Smart Water Leakage Sensor
Rating4.23.3Heiman Smart Water Leakage Sensor
Battery Life5 years2 yearsHeiman Smart Water Leakage Sensor
SensorsWater LeakWater Leak, TemperatureMoen Smart Leak Detector
AlertsWater Leak Alerts, Low Battery AlertsWater Leak Alerts, Temperature Alerts, Freeze Temperature AlertsMoen Smart Leak Detector
Warranty1 year1 yearTie
Weather ResistanceIP67IP67Tie
Connectivity2.4 GHz WiFi2.4 GHz WiFiTie
IntegrationsSamsung SmartThings, Home AssistantAlexa, Home AssistantTie
On Device Alert SoundYESYESTie
On Device Alert LightYESYESTie

Frequently Asked Questions

Which is better overall: Heiman Smart Water Leakage Sensor or Moen Smart Leak Detector?

The Heiman Smart Water Leakage Sensor is the better overall water leak sensor. It wins on price, rating and battery life. The Moen Smart Leak Detector wins on sensors and alerts.

Does the Heiman Smart Water Leakage Sensor detect freeze risk?

No. The Heiman Smart Water Leakage Sensor is leak-only. The Moen Smart Leak Detector includes temperature and freeze-temperature alerts plus a 48-inch sensing cable.

Do both sensors join Wi-Fi without a hub?

Yes. The Heiman Smart Water Leakage Sensor and the Moen Smart Leak Detector both use 2.4 GHz Wi-Fi with no extra hub, and both have a local siren and LED.

Who should buy the Heiman Smart Water Leakage Sensor?

Buy the Heiman Smart Water Leakage Sensor for a cheaper IP67 Wi-Fi leak alarm with a 5-year battery, a local siren and Home Assistant.

Who should buy the Moen Smart Leak Detector?

Buy the Moen Smart Leak Detector if you want temperature and freeze alerts, Alexa and a remote sensing cable on top of leak detection.

Full comparison table

Compare all 32 Water Leak Sensors side by side

You are looking at two of them. The full table lines up all Water Leak Sensors in the catalog with the same specs, so you can filter by what you need and sort by price or rating.

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  • 36 specs compared
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