Aqara Water Leak Sensor 3 Pack, Zigbee Wireless Water Leak Detector for Alarm System and Smart Home Automation, Requires AQARA…
Aqara
Best for
Best Aqara
Amazon rating
Amazon aggregate, one input among many in the Verdict Score
Based on 2 trusted sources
Current price
$54.99
Updated May 18, 2026 · 1 min read
Sources behind this verdict
11 reviewers weighted by source trust
The consensus
What reviewers found
Synthesized across the trust-weighted source mix below.
Across the reviewers we read, the Aqara Water Leak Sensor 3-Pack is the consensus pick for anyone already in or considering a Zigbee-based smart home. The New York Times' smart-leak-detector coverage includes it, and multiple high-trust r/homeassistant threads — including one where the sensor caught a fridge leak — describe years-long deployments with original batteries still going. r/HomeKit users specifically praise it as the most affordable HomeKit-compatible leak sensor and note the small form factor compared to alternatives.
What reviewers liked
- Cited in The New York Times' smart-leak-detector coverage
- Multi-year battery life confirmed in long-running r/homeassistant deployments
- Detects water as shallow as 0.5 mm per product specs
- Compact form factor praised in r/HomeKit threads
- Native HomeKit, Alexa, Google, and IFTTT support via the Aqara Hub
Where it falls short
- Requires an Aqara Hub or a third-party Zigbee coordinator — not standalone
- r/homeassistant users describe Aqara sensor reliability as inconsistent across their lineup
- No built-in cellular or SMS fallback if Wi-Fi/hub goes down
- On-device alarm is quieter than the Govee and Tapo competition
- r/smarthome consensus is that Aqara's ecosystem quality varies by product
Across the reviewers we read, the Aqara Water Leak Sensor 3-Pack is the consensus pick for anyone already in or considering a Zigbee-based smart home. The New York Times' smart-leak-detector coverage includes it, and multiple high-trust r/homeassistant threads — including one where the sensor caught a fridge leak — describe years-long deployments with original batteries still going. r/HomeKit users specifically praise it as the most affordable HomeKit-compatible leak sensor and note the small form factor compared to alternatives.
The trade-off reviewers consistently surface is that it requires an Aqara Hub (or a Zigbee coordinator running Zigbee2MQTT in Home Assistant), which adds cost and setup complexity versus a Wi-Fi puck. In return, Zigbee's mesh networking and lower power draw deliver the multi-year battery life the brand advertises, and r/Aqara users running 6–12 sensors on a single M3 hub report no connectivity problems.
Honest disagreement worth surfacing: one r/homeassistant thread notes that Aqara sensors are 'so hit or miss' — some still running flawlessly after five years, others dropping off the network without warning. r/smarthome users echo that Aqara reliability depends heavily on which product you buy. The leak sensors specifically come out as one of the brand's stronger entries in those discussions.
- Notes
- An Aqara Hub is required and sold separately. Not compatible with hubs from other brands. Requires a secure 2.4GHz Wi-Fi connection for Hub M2, M1S, E1, M1S Gen2, G2H Pro, and G2H; or 2.4/5GHz Wi-Fi for Camera Hub G3. (Hub M2 also supports wired Ethernet via RJ45.). Pair the Zigbee Water Leak Sensor with an Aqara Hub before connecting to Apple HomeKit, Google Home, or Alexa. For a stable Zigbee connection, ensure the sensor is placed within 10 meters(33 ft) of the Aqara Hub.
- Proximity
- To ensure a stable connection, keep the Aqara Water Leak Sensor within 400 inches (approximately 10 meters) of the Aqara Zigbee Hub, and place the hub within the same range of your Wi-Fi router. Ensure both are connected to the same local area network (LAN). Zigbee2MQTT and comparable third-party USB dongles are not officially supported by Aqara. Full product functionality may be limited or unavailable.
- Drip and Leak Detection
- Equipped with highly sensitive probes that detect water levels as low as 0.5 mm (approximately 0.02 inch), this water leak detector instantly sends alerts to your phone and triggers the local alarm on the Aqara Hub whenever a leak is detected.
- Home automation
- The water leak detectors for home can control and trigger other Aqara devices when water is detected, allowing you to take prompt action to keep your home safe. ***Requires Aqara Hub, not third-party hub.
- Wireless & Compact Design
- No wiring or screws are required. The small, sleek design allows you to place the Zigbee leak sensor on any flat surface in your kitchen, basement, laundry room, or any area you want to monitor. Recommended placements include near or under toilets, water heaters, washing machines, dishwashers, sinks, fish tanks, sump pumps, or any area prone to leaks.
- Industry-Leading Quality
- Durable IP67 water-proof housing with rust-proof exterior coating. Please remove the battery tab before use. If the device does not work, check the battery level. For any questions, please feel free to contact us.
We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more›…
Water leak sensors are worth every penny...and needless to say, I will be buying a heck of a lot more of them. Every sink and toilet in the ...
Aqara sensors are so hit or miss for me. I have some still working flawlessly after 5 years with the original battery. Others fall off the ...
Trust tier reflects our editorial assessment of the source, not the individual quote. Hover for the rationale. See how we tier sources →
“Aqara Water Leak Sensor” · Review and Home Assistant Setup!
If the consensus convinced you
Check current price on Amazon
Pricing and availability change frequently. Tap through to confirm before buying.