“Best for Most People — its balance of reliable detection, long battery life, and temperature/humidity monitoring in a single affordable sensor”
Is the Moen Flo Smart Water Leak Detector worth it?
The Moen Flo Smart Water Leak Detector ($54.87) is recommended with a 8.5/10 consensus score across 1 expert reviews. Experts highlight three-in-one: water leaks, excess humidity, and temperature extremes and 3-year sealed battery — lowest maintenance of any sensor tested. WIRED says: "Best for Most People — its balance of reliable detection, long battery life, and..." Best for: Primary residences, Under-sink placement, Moen Flo ecosystem users.

Verified 35d ago
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Moen Flo Smart Water Leak Detector
Sensors
SmartHomeExplorer proprietary rating
1 expert sources
The Moen Flo Smart Water Leak Detector earns a SHE Score of 6/10, driven by strong value (9.5/10) with room to improve in compatibility breadth (2.3/10). Based on 1 expert sources and SmartHomeExplorer compatibility analysis.
How we calculate the SHE Score →Expert Consensus: 8.5/10 across 1 sources
Updated:“Best for Most People — its balance of reliable detection, long battery life, and temperature/humidity monitoring in a single affordable sensor”
Key Features
- ✓ 3-year sealed battery
- ✓ Humidity monitoring
- ✓ Temperature monitoring
- ✓ No hub needed
Best For
What Experts Agree On
What Experts Love
- ✓ Three-in-one: water leaks, excess humidity, and temperature extremes
- ✓ 3-year sealed battery — lowest maintenance of any sensor tested
- ✓ No hub required — connects directly to 2.4GHz Wi-Fi
- ✓ Pairs with Moen Flo shutoff valve for fully automated water shutoff
- ✓ Small, sleek form factor fits any under-sink space
Common Criticisms
- ✗ No Google Home, Apple HomeKit, or IFTTT support
- ✗ Best features locked inside Moen app ecosystem
- ✗ Automatic shutoff requires separate Flo shutoff valve purchase
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What The Experts Say
Ready to buy the Moen Flo Smart Water Leak Detector?
Check Price on Amazon$54.87 · 1 expert sources · 8.5/10 consensus
Featured in these buying guides
See how the Moen Flo Smart Water Leak Detector ranks against the full field in our Sensors buying guides.
Frequently Asked Questions
Is the Moen Flo Smart Water Leak Detector worth it?
The Moen Flo Smart Water Leak Detector earns a 8.5/10 consensus score across 1 expert sources and is rated "Recommended". At $54.87, it is best for Primary residences. WIRED notes: "Best for Most People — its balance of reliable detection, long battery life, and temperature/humidity monitoring in a single affor..."
How much does the Moen Flo Smart Water Leak Detector cost?
The Moen Flo Smart Water Leak Detector is priced at $54.87. With a 8.5/10 score from 1 expert reviews and a "Recommended" rating, that price represents strong value relative to the ~7.5/10 average for Sensors products. Prices shift often, so check the live figure before buying.
Who is the Moen Flo Smart Water Leak Detector best for?
The Moen Flo Smart Water Leak Detector is best for Primary residences, Under-sink placement, Moen Flo ecosystem users. Experts rate it "Recommended" with a 8.5/10 consensus across 1 sources.
How does the Moen Flo Smart Water Leak Detector compare to other Sensors options?
Among the Sensors products we have aggregated, the Moen Flo Smart Water Leak Detector ranks above average with a 8.5/10 score. See our full category comparison for head-to-head details.
What smart home systems does the Moen Flo Smart Water Leak Detector work with?
The Moen Flo Smart Water Leak Detector works with major smart home platforms. Check the compatibility notes above for any hub dependencies or setup requirements before you buy.
Does the Moen Flo Smart Water Leak Detector need a hub or a subscription?
No separate hub is required — it connects over Wi-Fi or your existing network, so there is no extra box to buy.
What are the best alternatives to the Moen Flo Smart Water Leak Detector?
If the Moen Flo Smart Water Leak Detector ($54.87, 8.5/10) is not the right fit, the closest alternatives in Sensors are YoLink Water Leak Sensor 4, First Alert L1 Water Leak Detector. Compare them on price, ecosystem support, and expert consensus to find your match.
What are the pros and cons of the Moen Flo Smart Water Leak Detector?
The main strengths of the Moen Flo Smart Water Leak Detector are three-in-one: water leaks, excess humidity, and temperature extremes and 3-year sealed battery — lowest maintenance of any sensor tested. The most-cited downside is no google home, apple homekit, or ifttt support. Overall, 1 expert sources rate it "Recommended" with a 8.5/10 consensus score.
Sources & Methodology
This review aggregates 1 independent expert reviews into a single consensus score. See how we build consensus scores and the SHE Score methodology.
Expert review sources cited on this page:
- WIRED
Affiliate disclosure: SmartHomeExplorer.com participates in the Amazon Associates program. We earn a commission from qualifying purchases at no extra cost to you. This consensus review is based on 1 independent expert reviews — we did not test this product ourselves. Always verify current prices and availability before purchasing.
Independence notice: Smart Home Explorer is an independent publication. Moen and other product names, logos, and brands referenced on this page are the property of their respective owners and are used for identification purposes only. This review is not sponsored by, affiliated with, or endorsed by Moen or any other manufacturer named in this article.

