Updated September 2026
Data from Amazon and official Moen and Phyn sites.
2026 verdict
For most buyers in 2026, Phyn Protect is the safer pick over Moen Flo Smart Water Monitor + Shutoff because of warranty and leak protection.
What pushes it ahead is warranty and leak protection, and its broader overall balance keeps the advantage from looking narrow. You should still consider Moen Flo Smart Water Monitor + Shutoff if price and rating matter more than raw overall balance. Overall, Phyn Protect makes more sense for most people.
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| Feature | Moen Flo Smart Water Monitor + Shutoff | Phyn Protect | Winner |
|---|---|---|---|
| Price | $558.00 | $579.99 | Moen Flo Smart Water Monitor + Shutoff |
| Rating | 3.9 | 3.6 | Moen Flo Smart Water Monitor + Shutoff |
| Warranty | 1 year | 2 years | Phyn Protect |
| Leak Protection | Flow Sensor, Micro-Leak Test, Offline Auto Shutoff, Freeze Alerts | Flow Sensor, Micro-Leak Test, Offline Auto Shutoff, Wired Leak Sensor, Freeze Alerts | Phyn Protect |
| Connectivity | 2.4 GHz WiFi | 2.4 GHz WiFi | Tie |
| Integrations | Google Home, Alexa, Home Assistant | Google Home, Alexa, Home Assistant | Tie |
| Valve & Installation | Valve Exercise | None | Tie |
$558.00
- + Price: $558.00
- + Rating: 3.9
- - Warranty: 1 year vs 2 years
- - Leak Protection: Flow Sensor, Micro-Leak Test, Offline Auto Shutoff, Freeze Alerts vs Flow Sensor, Micro-Leak Test, Offline Auto Shutoff, Wired Leak Sensor, Freeze Alerts
Winner
$579.99
- + Warranty: 2 years
- + Leak Protection: Flow Sensor, Micro-Leak Test, Offline Auto Shutoff, Wired Leak Sensor, Freeze Alerts
- - Price: $579.99 vs $558.00
- - Rating: 3.6 vs 3.9
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.
- Moen Flo Smart Water Monitor + Shutoff
- Phyn Protect
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Frequently Asked Questions
Which is better overall: Moen Flo Smart Water Monitor + Shutoff or Phyn Protect?
Phyn Protect has the stronger overall profile in this comparison, especially for warranty and leak protection.
What is the biggest difference between Moen Flo Smart Water Monitor + Shutoff and Phyn Protect?
Price is one of the clearest differences: Moen Flo Smart Water Monitor + Shutoff lists $558.00, while Phyn Protect lists $579.99.
Which one looks better on price?
Moen Flo Smart Water Monitor + Shutoff is listed at $558.00, while Phyn Protect is listed at $579.99. Moen Flo Smart Water Monitor + Shutoff (better spec).
Who should buy Moen Flo Smart Water Monitor + Shutoff?
Choose Moen Flo Smart Water Monitor + Shutoff if your priority is price and rating and that matters more than warranty.
Who should buy Phyn Protect?
Choose Phyn Protect if your priority is warranty and leak protection and that matters more than price.
Full comparison table
Compare all 10 Water Shutoff Valves side by side
You are looking at two of them. The full table lines up all Water Shutoff Valves in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 10 Water Shutoff Valves
- 34 specs compared
- 29 filters
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First AlertL5 WiFi Water Leak Shutoff Valve
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Flo Smart Water Monitor + Shutoff
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AqaraValve Controller T1
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PhynProtect
$579.99
MoesWiFi Smart Water/Gas Valve Controller
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YoLinkFlowSmart All-in-One Water Meter & Shutoff
15% OFF$299.99$254.99
