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Moen Smart Leak Detector (Each) - 920-004
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Moen 920-004 Smart Leak Detector (Each)
The Smart Leak Detector is a standalone sensor that can be placed anywhere in a home to alert you when and where it detects moisture to help prevent water damage and loss. If the Smart Leak Detector senses the presence of water, extreme temperatures or high humidity, it will alert you in one or more ways, according to set preferences: Moen Smart Water App, text, phone call or email.
Features
Operation
- Can be used as a standalone detector or in conjunction with the Flo Smart Water Monitor and Shutoff (option in the mobile app to trigger automatic water shutoff to a home if the detector detects moisture and a smart water shutoff is installed on the home's main water line)
- Wi-Fi enabled device for smartphone connectivity (WLAN connectivity / IEEE 802.11bgn, 2.4 GHz range)
- Smartphone app available for iOS and Android that provides customizable alerts for:
- Moisture Detection through base unit or included remote sensing disc
- Humidity Range: customizable between 0-100% Relative Humidity (RH)
- Room Temperature: customizable between 0 to 140 deg F / -18 to 60 deg C
- Battery Level: customizable between 0-100%
- Automatic water shutoff feature: if a detector senses moisture, it can trigger the smart water shutoff to close (only available if the Flo Smart Water Monitor and Shutoff is installed on the main water supply line)
- Battery type: CR123A Lithium Cell (lasts up to 2 years, included with detector)
- Operating Temperature Range: -20 to 140 deg F / -29 to 60 deg C
Installation Notes
- Detector can be placed directly on the floor without the wall mount base attached.
- With the wall mount base attached to detector and 48” (122 cm) remote sensing disc connected to wall mount base, detector can be mounted on a wall or baseboard and the remote sensing disc can be placed in low profile/hard-to-reach areas to monitor for moisture.
- Optional 6’ (1.8 m) Leak Sensing Cable that detects water at any point along the cable (SKU sold separately: 920-006) (up to 3 cables can be linked together for further leak sensing).
California customers:
General
Color
White
Type
Water Monitors
Sensor Type
Leak
Rechargeable Battery
No
Built-In Microphone
No
Operating Temperature
-20°F to 140°F (-29° C to 60° C)
Attachment Method
Mounts to Wall, Frames or Floor
Siren
Yes
Amazon Alexa
No
Google Assistant
No
Apple Homekit
No
Mobile App Support
Moen Smart Water App
In the Box
(1) Moen Smart Leak Detector, (1) CR123A Battery, (1) 48" (122cm) Remote Sensing Disc, (1) Wall Mount Base with optional self-adhesive mounting sticker, (2) Wall Mount Screws, (2) Dry Wall Anchors.
Warranty Information
Parts Warranty
1 Year Limited
Labor Warranty
1 Year Limited
Approximate Weight
Package Weight (lbs)
1
Approximate Dimensions
Height (in)
3.28
Width (in)
2.64
Depth (in)
1.46
Package Size HxWxL (in)
3 x 5 x 6
Guides
Frequently Asked Questions
-
The device uses moisture, temperature, and humidity sensors to detect water presence or extreme conditions. Upon detection, it sends customizable alerts via the Moen Smart Water App, text, phone call, or email to notify you immediately, helping to prevent water damage and loss.
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Yes, when installed alongside the Flo Smart Water Monitor and Shutoff on the home's main water supply line, the leak detector can trigger an automatic water shutoff to stop water flow if moisture is detected, minimizing potential damage.
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The detector can be placed directly on the floor or mounted on a wall or baseboard using the included wall mount base and adhesive or screws. It also comes with a remote sensing disc, which can be positioned in hard-to-reach or low-profile areas for wider moisture monitoring.
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The device uses a CR123A lithium cell battery that is included with the product. This battery typically lasts up to two years before needing replacement, ensuring long-term operation without frequent maintenance.
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No, this device does not support Amazon Alexa, Google Assistant, or Apple Homekit. Connectivity and control are managed through the Moen Smart Water App available on iOS and Android devices.

