Water Leak Sensors · Head to head

Third Reality Water Leak Sensor vs YoLink Water Leak Sensor 1

Full Smart Water Leak Sensors comparison in 2026

Updated October 2026
Data from Amazon and official Third Reality and YoLink sites.
2026 verdict
For an attic or a detached garage far from the router, the YoLink Water Leak Sensor 1 is the water leak sensor built to reach where the Third Reality Water Leak Sensor cannot.
YoLink Water Leak Sensor 1
Winner
YoLink Water Leak Sensor 1
$15.29$19.9924% OFF

Last recorded price

Buy on Amazon USA
It typically costs less, earns a higher owner rating, and carries a tougher IP68 seal, a two-year warranty against one, and roughly five years of battery life against three, all riding on a LoRa radio rated up to a quarter mile through its own hub. The Third Reality Water Leak Sensor answers with a genuinely loud 120dB onboard alarm that YoLink's silent puck cannot match without an added siren or SpeakerHub, and it reaches more integrations once its optional Smart Bridge MZ1 is added, layered on top of native Home Assistant support. Both sensors are locked to their own hub to work at all. Buyers who want the more weatherproof, longer-lasting, better-warrantied sensor should pick the YoLink Water Leak Sensor 1, while anyone who needs an alarm loud enough to hear from another room should stick with the Third Reality Water Leak Sensor.
Third Reality Water Leak Sensor
Third Reality

Third Reality Water Leak Sensor

Prime exclusive deal
$20.99
50% above its lowest price of the last 6 months ($13.99)
7% above its lowest price of the last 6 months (€13.99)

Last recorded price

Buy on Amazon USA

Also sold in packs

  • Pack of 2$39.99$20.00 per unitBuy
  • Pack of 4$79.99$20.00 per unitBuy
vs
Winner
YoLink Water Leak Sensor 1
YoLink
#6 Best Seller in Water Leak Sensors

YoLink Water Leak Sensor 1

24% OFF
Prime exclusive deal
$15.29
$19.99

Last recorded price

Buy on Amazon USA

Also sold in packs

  • Pack of 310% OFF$44.99$49.99$15.00 per unitBuy
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FeatureThird Reality Water Leak SensorYoLink Water Leak Sensor 1Winner
Price$20.99$15.29YoLink Water Leak Sensor 1
Rating4.14.6YoLink Water Leak Sensor 1
Warranty1 year2 yearsYoLink Water Leak Sensor 1
Battery Life3 years5 yearsYoLink Water Leak Sensor 1
IntegrationsGoogle Home, Apple HomeKit, Samsung SmartThings, Home AssistantHome AssistantThird Reality Water Leak Sensor
On Device Alert SoundYESNOThird Reality Water Leak Sensor
On Device Alert LightNOYESYoLink Water Leak Sensor 1
ConnectivityZigbeeOtherTie
SensorsWater LeakWater LeakTie
AlertsWater Leak Alerts, Low Battery AlertsWater Leak Alerts, Low Battery AlertsTie

What the differences mean

Local alarm

The Third Reality sensor sounds a genuinely loud 120dB alarm on the device itself. The YoLink sensor is silent by design, flashing a status LED and pushing alerts, with sound only available by adding a separate YoLink siren or SpeakerHub.

Radio and range

The Third Reality sensor is Zigbee, needing a coordinator within typical mesh range. The YoLink sensor uses LoRa, rated up to a quarter mile in open air through its own hub, which is why owners report it staying connected from attics and detached buildings a Zigbee or Wi-Fi sensor would struggle to reach.

Weatherproofing

The YoLink sensor is IP68 rated, built to survive a soaking and be dried off and reused. The Third Reality sensor carries no stated weather-resistance rating at all.

Smart home reach

The Third Reality sensor reaches Google Home and Apple HomeKit once its separately sold Smart Bridge MZ1 is added, on top of native SmartThings and Home Assistant support. The YoLink sensor has no Apple Home, Google Home, SmartThings or Matter support at all; it covers Home Assistant and IFTTT natively, and Alexa only announces its alerts through the YoLink skill.

Included drip attachment

The Third Reality sensor ships with a drip-sensor attachment for catching slow leaks the base contacts might miss. The YoLink sensor relies on its two built-in electrode faces, top and bottom, with no separate attachment included.

Which one to buy if

  • the alarm needs to be heard from another room with no phone nearby
    Third Reality Water Leak Sensor

    Its 120dB onboard alarm is genuinely loud; the YoLink sensor is silent by design unless you add a siren.

  • the sensor has to reach an attic, detached garage or sump pit far from the router
    YoLink Water Leak Sensor 1

    Its LoRa radio, rated to a quarter mile, covers distances a Zigbee mesh hop typically cannot.

  • it might get fully submerged and need to work again afterward
    YoLink Water Leak Sensor 1

    It carries an IP68 rating for continuous immersion; the Third Reality sensor has no stated water-resistance rating.

  • you want a path to Google Home or Apple HomeKit, even through an accessory
    Third Reality Water Leak Sensor

    Its separately sold Smart Bridge MZ1 gets you there; the YoLink sensor has no route to either platform at all.

Winner
YoLink

YoLink Water Leak Sensor 1

24% OFF
Prime exclusive deal
$15.29
$19.99

Last recorded price

Buy on Amazon USA
  • + Price: $15.29
  • + Rating: 4.6
  • + Warranty: 2 years
  • - Integrations: Home Assistant vs Google Home, Apple HomeKit, Samsung SmartThings, Home Assistant
  • - On Device Alert Sound: NO vs YES

What owners say

Owners of both sensors trust them enough to deploy several at once, but for different reasons. Third Reality Water Leak Sensor owners keep mentioning the 120dB onboard alarm, loud enough to hear from another room or floor, and appreciate that it works even without a hub connection at all; pairing with Home Assistant or Hubitat is described as fast, often as simple as pulling a battery tab. YoLink Water Leak Sensor 1 owners praise its range instead, reporting sensors staying connected from attics, sump pits and detached buildings that would defeat a Wi-Fi sensor, plus alerts arriving within seconds by app, email and text with no subscription. Third Reality owners' main complaint is that the sensing screws on the base sit slightly raised, so a few added spacers to catch shallow puddles, and a handful report a sensor going offline or draining its battery faster than rated after a year. YoLink owners' complaint is that the puck is silent by design, so an audible alarm means adding a separate siren or SpeakerHub.

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.

  • Third Reality Water Leak Sensor
  • YoLink Water Leak Sensor 1

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Frequently Asked Questions

Which is better overall: Third Reality Water Leak Sensor or YoLink Water Leak Sensor 1?

The YoLink Water Leak Sensor 1 wins overall, typically costing less and earning a higher owner rating while adding a tougher IP68 weatherproof seal, a longer two-year warranty and longer battery life. The Third Reality Water Leak Sensor counters with more integrations once its optional Smart Bridge is added and a louder onboard alarm.

What is the biggest difference between the Third Reality Water Leak Sensor and the YoLink Water Leak Sensor 1?

The radio and the alarm. The Third Reality Water Leak Sensor is a Zigbee device with a loud 120dB onboard alarm but no water-resistance rating, while the YoLink Water Leak Sensor 1 uses a long-range LoRa radio through its own hub, is IP68 rated, and stays silent unless you add a separate siren.

Does either sensor make a sound when it detects a leak?

Yes, the Third Reality Water Leak Sensor has a 120dB on-device alarm loud enough to hear from another room. The YoLink Water Leak Sensor 1 is silent by design and relies on app alerts unless you add a YoLink siren or SpeakerHub.

Which sensor supports more smart home integrations?

The Third Reality Water Leak Sensor technically supports more, reaching Google Home and Apple HomeKit, but only through its separately sold Smart Bridge MZ1, on top of native Home Assistant. The YoLink Water Leak Sensor 1 covers Home Assistant and IFTTT natively through the YoLink hub it already requires, and Alexa can announce its alerts through the YoLink skill.

Who should buy the Third Reality Water Leak Sensor?

Zigbee households that want a genuinely loud, hear-it-from-another-room alarm and are willing to add Third Reality's Smart Bridge MZ1 for direct Google Home or Apple HomeKit access.

Who should buy the YoLink Water Leak Sensor 1?

Buyers who want the more weatherproof, longer-lasting, better-warrantied sensor at a lower typical cost, especially anyone already running a YoLink hub for long-range coverage.

Full comparison table

Compare all 34 Water Leak Sensors side by side

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  • 34 Water Leak Sensors
  • 36 specs compared
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