Moen 900-006 Flo by Moen 1-Inch Smart Water Shutoff with 920-005 Flo by Moen Smart Water Detector, 3-Pack
Moen
Best for
Best for 1-inch main lines
Amazon rating
Amazon aggregate, one input among many in the Verdict Score
Current price
$747.98
Updated May 18, 2026 · 1 min read
Sources behind this verdict
7 reviewers weighted by source trust
The consensus
What reviewers found
Synthesized across the trust-weighted source mix below.
Across the reviewers we read, the 1-inch Moen Flo bundle is the same underlying platform as the top-pick 3/4-inch valve, sized for larger homes and higher-demand plumbing, and shipped with three of Moen's smart leak-detector pucks. PCMag's review of the Flo platform credits whole-home usage reporting, leak detection, and automatic plus remote shutoff. A Home Depot verified-purchase reviewer specifically describes the nightly valve-closure leak test in granular detail, noting both the value and the predictable nuisance: anyone using a bathroom during the test window triggers a false positive.
What reviewers liked
- Bundled three smart leak detectors extend coverage to fixture locations the main valve cannot monitor on its own
- Same nightly leak-test routine praised in the Home Depot verified-purchase excerpt as a useful peace-of-mind feature
- Correct sizing for homes with 1-inch main supply lines, where a 3/4-inch valve would restrict flow
- PCMag's positive verdict on the Flo platform's usage reporting and shutoff capability applies to this SKU
- Insurance-program recognition extends across the Flo product line
Where it falls short
- Same r/Plumbing reliability complaints (valve failures at 2-4 years, sometimes silent) apply to the underlying platform
- Home Depot reviewer flags that the nightly leak test triggers false positives if anyone uses water during the test window
- Only 24 Amazon reviews on this specific SKU, a much thinner first-party sample than the 3/4-inch unit
- One of the most expensive options in the category
- Requires a plumber for installation
Across the reviewers we read, the 1-inch Moen Flo bundle is the same underlying platform as the top-pick 3/4-inch valve, sized for larger homes and higher-demand plumbing, and shipped with three of Moen's smart leak-detector pucks. PCMag's review of the Flo platform credits whole-home usage reporting, leak detection, and automatic plus remote shutoff. A Home Depot verified-purchase reviewer specifically describes the nightly valve-closure leak test in granular detail, noting both the value and the predictable nuisance: anyone using a bathroom during the test window triggers a false positive.
The r/Plumbing reliability concerns documented against the 3/4-inch Flo apply here as well — multiple owners on Reddit describe valve failures at the 2-4 year mark, and that risk does not change with pipe diameter. What this bundle adds is the three included leak detectors, which can be placed under sinks, behind toilets, and near water heaters to catch leaks that occur downstream of the main valve where flow monitoring alone would not see them.
The consensus is that this is the right SKU for owners with 1-inch service lines or larger floor plans who want the Moen Flo platform with starter sensor coverage included, accepting the same long-term durability question that hangs over the rest of the Flo lineup.
- Bundle Includes
- (1 count) Flo by Moen 1-Inch Smart Water Shutoff; (3 count) Flo by Moen Smart Water Detector
- 24/7 Protection
- Turn your water on/off from the app manually, or Flo by Moen Smart Water Shutoff will automatically turn off the water for you to protect the home from catastrophic water damage
- The Right Fit
- Flo by Moen Smart Water Shutoff Model 900-006 fits 1-Inch to 1-1/4-Inch pipe diameter (consult a professional)
- Daily Leak Testing
- MicroLeak Technology proactively monitors the security of the home's entire water system (including behind walls and in foundations) to identify leaks as small as a drop per minute (e.g. pinhole leaks, etc.)
- App Dashboard
- See how much water you're consuming daily and set conservation goals to encourage saving water and money for your home
- Extra Protection
- Place Smart Water Detectors anywhere that may be particularly vulnerable to drainage or leaks; When used with the Smart Water Shutoff, Detectors can trigger the shut-off feature to protect the home from water damage
- Compatibility
- Compatible with Alarm.com, Ring, Google Assistant, and NICE; No smart hub or system required; Requires Wi-Fi connection; Requires standard AC/DC power connection
The Flo by Moen is a smart water meter that monitors water usage throughout your home, tests your system for leaks, and protects against water damage with an automatic shutoff feature.
I have had mine and yes it has helped when water was being overused like my toilet running. Unfortunately the valve broke 4 years in and the ...
Our Moen Flo failed after 24 months - however there was no indication of failure until two months after it had stopped detecting leaks!
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“Moen Flo Smart Water Valve: 5 Year Review” · YouTube
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