$54.72
Updated November 2026
Data from the official Moen and YoLink sites.
2026 verdict
One spec, a slightly tougher seal, is all the Moen Smart Leak Detector wins here; the YoLink Water Leak Sensor 4 takes price, rating, warranty and battery life instead.
It is a hub-based LoRa sensor that also flags low temperatures, with a local siren and light. The Moen Smart Leak Detector only takes IP67 weather resistance, keeping hub-free Wi-Fi, a sensing cable and a temperature sensor of its own. Pick the YoLink Water Leak Sensor 4 for long-range freeze-and-leak coverage; pick the Moen Smart Leak Detector if you refuse a YoLink hub and want a tougher IP67 Wi-Fi body.
Works with
Connectivity
- Wi-Fi 2.4 GHz
vs
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Works with
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The biggest differences
Where these two are furthest apart, and by how much.
- Battery Life2.5×YoLink Water Leak Sensor 45 years vs 2 years
- Warranty2×YoLink Water Leak Sensor 42 years vs 1 year
| Feature | Moen Smart Leak Detector | YoLink Water Leak Sensor 4 | Winner |
|---|---|---|---|
| Price | $54.72 | €52.92 | YoLink Water Leak Sensor 4 |
| Rating | 3.3 | 4.8 | YoLink Water Leak Sensor 4 |
| Warranty | 1 year | 2 years | YoLink Water Leak Sensor 4 |
| Weather Resistance | IP67 | IP66 | Moen Smart Leak Detector |
| Battery Life | 2 years | 5 years | YoLink Water Leak Sensor 4 |
| Connectivity | 2.4 GHz WiFi | Other | Tie |
| Integrations | Home Assistant | Home Assistant | Tie |
| Sensors | Water Leak, Temperature | Water Leak, Temperature | Tie |
| Alerts | Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts | Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Low Battery Alerts | Tie |
| On Device Alert Sound | YES | YES | Tie |
| On Device Alert Light | YES | YES | Tie |
What the differences mean
Hub requirement
The Moen Smart Leak Detector joins 2.4 GHz WiFi directly with no hub; the YoLink Water Leak Sensor 4 needs its own YoLink hub over LoRa.
Sensor cable
The Moen Smart Leak Detector ships with a 48-inch remote sensing cable for hard-to-reach spots; the YoLink Water Leak Sensor 4 has no cable and senses water at the unit itself.
Battery life
The YoLink Water Leak Sensor 4 is rated for 5 years against 2 years on the Moen Smart Leak Detector.
Weather sealing
Both carry a similar rating, IP67 on the Moen Smart Leak Detector and IP66 on the YoLink Water Leak Sensor 4, not a gap worth deciding a purchase on.
Which one to buy if
- you do not want to buy a separate hub
The Moen Smart Leak Detector joins 2.4 GHz WiFi directly.
- a hard-to-reach spot behind an appliance needs its own probe
The Moen Smart Leak Detector's 48-inch remote sensing cable reaches where a puck cannot.
- the property is large enough that a long-range hub helps
The YoLink Water Leak Sensor 4's LoRa hub is built to reach an attic, basement or detached garage.
- you want the sensor to run untouched for as long as possible
5 years on the YoLink Water Leak Sensor 4's battery beats 2 years on the Moen Smart Leak Detector.
$54.72
- + Weather Resistance: IP67
- - Price: $54.72 vs €52.92
- - Rating: 3.3 vs 4.8
Winner
€52.92
- + Price: €52.92
- + Rating: 4.8
- + Warranty: 2 years
- - Weather Resistance: IP66 vs IP67
What owners say
Owners of both sensors report the core detection catching real leaks. Moen Smart Leak Detector owners credit it with catching leaks near sump pumps, water softeners and washing machine hoses, and like the built-in temperature and humidity display as a bonus. YoLink Water Leak Sensor 4 owners repeatedly praise its LoRa range and 105 dB siren for catching a leak in a garage or basement where other sensors would drop off. Moen Smart Leak Detector owners are the ones who run into setup trouble, several describing missing pairing instructions, an app that loops, or a battery that arrived already partly drained. YoLink Water Leak Sensor 4 owners mention the companion app's options taking a moment to learn at first.
Frequently Asked Questions
Which is better overall: Moen Smart Leak Detector or YoLink Water Leak Sensor 4?
The YoLink Water Leak Sensor 4 is the better overall water leak sensor. It wins on price, rating, warranty and battery life. The Moen Smart Leak Detector wins on weather resistance.
Does the YoLink Water Leak Sensor 4 detect freeze risk?
Yes. It includes low-temperature alerts plus a local siren and light. The Moen Smart Leak Detector also sends freeze-temperature alerts, over 2.4 GHz WiFi instead of LoRa.
Does the YoLink Water Leak Sensor 4 need a hub?
Yes. It uses LoRa and requires a YoLink hub. The Moen Smart Leak Detector joins 2.4 GHz WiFi directly, with no hub.
What is the remote sensing cable on the Moen Smart Leak Detector for?
It extends up to 48 inches so the sensing point can reach a sump pit or a spot behind an appliance while the main unit sits somewhere accessible. The YoLink Water Leak Sensor 4 has no equivalent cable.
Who should buy the YoLink Water Leak Sensor 4?
Buyers who want long-range LoRa leak and low-temperature alerts with a 5-year battery, a 2-year warranty and a local siren.
Who should buy the Moen Smart Leak Detector?
Buyers who want hub-free WiFi leak and freeze alerts with a 48-inch sensing cable, and don't mind a fussier initial setup.
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