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Water Leak Sensors · Head to head

Aqara Water Leak Sensor T1 vs Eve Water Guard

Full Smart Water Leak Sensors comparison in 2026

Updated October 2026
Data from Amazon and official Aqara and Eve sites.
2026 verdict
The Eve Water Guard is the better water leak sensor of this pair, trading a spot puck for a sensing cable that covers a whole appliance run and a siren you can hear.
Eve Water Guard
Winner
Eve Water Guard
$74.95$109.9532% OFFPrime exclusive deal
Buy on Amazon USACheck price
Its 6.5 ft cable senses along its full length and can extend far beyond that, and it needs no hub for Apple HomeKit or Thread, adding a 100 dB alarm and an alert light on the unit. The Aqara Water Leak Sensor T1 answers with a fully sealed IP67 body, a trigger at just 0.5 mm of water, and a broader ecosystem reach, since an Aqara hub carries it to HomeKit, Google Home and Matter alongside SmartThings and Home Assistant. Choose the Eve Water Guard for HomeKit or Thread homes and long runs, and the Aqara Water Leak Sensor T1 for a small, sealed, fast-triggering puck inside a Zigbee or Aqara setup.
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FeatureAqara Water Leak Sensor T1Eve Water GuardWinner
Price€20.99$74.95Aqara Water Leak Sensor T1
Rating4.44.5Eve Water Guard
ConnectivityZigbeeBluetooth, Thread ProtocolEve Water Guard
IntegrationsGoogle Home, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterApple HomeKit, Home AssistantAqara Water Leak Sensor T1
AlertsWater Leak Alerts, Low Battery AlertsWater Leak AlertsAqara Water Leak Sensor T1
On Device Alert SoundNOYESEve Water Guard
On Device Alert LightNOYESEve Water Guard
Weather ResistanceIP67YESTie
Warranty1 year1 yearTie
SensorsWater LeakWater LeakTie

What the differences mean

How water is sensed

The Aqara Water Leak Sensor T1 triggers at its contacts once water reaches about 0.5 mm, so it guards the spot it sits on. The Eve Water Guard senses along a 6.5 ft cable that can extend to cover a whole run of appliances.

Local alarm

The Eve Water Guard sounds a 100 dB siren and blinks a light on the unit. The Aqara Water Leak Sensor T1 has no sounder or light, so the alarm comes from the hub or from another device in your automation.

Power source

The Aqara Water Leak Sensor T1 runs about two years on a CR2032 and can go anywhere. The Eve Water Guard plugs into a wall outlet and never needs a battery, which limits where it can be placed.

Hub requirement

Both need a hub of some kind. The Aqara Water Leak Sensor T1 needs a Zigbee hub, and an Aqara hub at that for the HomeKit, Google Home and Matter paths. The Eve Water Guard needs no hub for HomeKit, only a Thread border router for the Thread path.

Sealing

The Aqara Water Leak Sensor T1 is rated IP67, which covers full submersion, so a real flood does not destroy the sensor that reported it. The Eve Water Guard is listed as weather resistant without an IP figure.

Which one to buy if

Aqara

Aqara Water Leak Sensor T1

Prime exclusive deal
€20.99
Buy on Amazon GermanyCheck price
  • + Price: €20.99
  • + Integrations: Google Home, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
  • + Alerts: Water Leak Alerts, Low Battery Alerts
  • - Rating: 4.4 vs 4.5
  • - Connectivity: Zigbee vs Bluetooth, Thread Protocol
Winner
Eve

Eve Water Guard

32% OFF
Prime exclusive deal
$74.95
$109.95
Buy on Amazon USACheck price
  • + Rating: 4.5
  • + Connectivity: Bluetooth, Thread Protocol
  • + On Device Alert Sound: YES
  • - Price: $74.95 vs €20.99
  • - Integrations: Apple HomeKit, Home Assistant vs Google Home, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter

What owners say

Owners of the Eve Water Guard describe it as reliable and among the smoothest Apple HomeKit integrations in the category, with setup that is a scan-and-add in the Home app and automations configured there rather than in a manufacturer account. Several report the siren and alert light catching an active leak, a failed toilet flapper or a washing machine drip, in time to prevent real damage, and the extendable sensing cable is the feature they call out most, since one unit can watch a whole appliance run. The repeated complaints are its cost next to spot sensors, the constant wall power it needs, and a small share of units that failed to connect or stopped detecting over time. A few note the fabric cable must absorb a little water before it triggers.

Price history compared

Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.

  • Aqara Water Leak Sensor T1
  • Eve Water Guard

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Frequently Asked Questions

Which is better overall: Aqara Water Leak Sensor T1 or Eve Water Guard?

The Eve Water Guard, for its full-length sensing cable, native Apple HomeKit and Thread support, and 100 dB alarm. The Aqara Water Leak Sensor T1 is the better value for a Zigbee or Aqara home that only needs a small, sealed puck to catch water at one point.

What is the biggest difference between the Aqara Water Leak Sensor T1 and the Eve Water Guard?

Coverage and alerting. The Aqara Water Leak Sensor T1 is a silent spot puck that triggers at 0.5 mm of water, while the Eve Water Guard senses along an extendable cable and sounds a 100 dB alarm on the unit.

Do the Aqara Water Leak Sensor T1 and the Eve Water Guard need a hub?

The Aqara Water Leak Sensor T1 needs a Zigbee hub, and an Aqara hub specifically for HomeKit, Google Home and Matter. The Eve Water Guard needs no hub for HomeKit, only a Thread border router if you use its Thread path.

Does the Aqara Water Leak Sensor T1 need an Aqara hub?

For Home Assistant it pairs directly, and a SmartThings hub can take it over Zigbee, but the Apple HomeKit, Google Home and Matter integrations all require an Aqara hub acting as the bridge for the Aqara Water Leak Sensor T1.

Who should buy the Aqara Water Leak Sensor T1?

A Zigbee or Aqara household that wants a compact, waterproof, low-cost puck to place under sinks, dishwashers and washing machines, and is happy for the hub to sound the alarm.

Who should buy the Eve Water Guard?

Apple HomeKit and Thread households that need to watch a long appliance or pipe run from one unit and want a loud siren and light on the device rather than a hub alert.

Full comparison table

Compare all 34 Water Leak Sensors side by side

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  • 36 specs compared
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