Winner
Updated September 2026
Data from Amazon and official First Alert and Phyn sites.
2026 verdict
Between First Alert L5 WiFi Water Leak Shutoff Valve and Phyn Protect, First Alert L5 WiFi Water Leak Shutoff Valve is the better overall pick in 2026, leading on price, rating, and warranty.
Its clearest strengths are price, rating, and warranty, and it still looks stronger on connectivity. Choose Phyn Protect only if integrations and leak protection matter more to you than the broader advantage from First Alert L5 WiFi Water Leak Shutoff Valve. That makes First Alert L5 WiFi Water Leak Shutoff Valve the clearer recommendation in 2026.
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| Feature | First Alert L5 WiFi Water Leak Shutoff Valve | Phyn Protect | Winner |
|---|---|---|---|
| Price | $284.60 | $579.99 | First Alert L5 WiFi Water Leak Shutoff Valve |
| Rating | 4.2 | 3.6 | First Alert L5 WiFi Water Leak Shutoff Valve |
| Warranty | 5 years | 2 years | First Alert L5 WiFi Water Leak Shutoff Valve |
| Connectivity | 2.4 GHz WiFi, Bluetooth | 2.4 GHz WiFi | First Alert L5 WiFi Water Leak Shutoff Valve |
| Integrations | None | Google Home, Alexa, Home Assistant | Phyn Protect |
| Leak Protection | Wired Leak Sensor, Freeze Alerts | Flow Sensor, Micro-Leak Test, Offline Auto Shutoff, Wired Leak Sensor, Freeze Alerts | Phyn Protect |
| Valve & Installation | Valve Exercise | None | Tie |
Winner
$284.60
- + Price: $284.60
- + Rating: 4.2
- + Warranty: 5 years
- - Integrations: None vs Google Home, Alexa, Home Assistant
- - Leak Protection: Wired Leak Sensor, Freeze Alerts vs Flow Sensor, Micro-Leak Test, Offline Auto Shutoff, Wired Leak Sensor, Freeze Alerts
$579.99
- + Integrations: Google Home, Alexa, Home Assistant
- + Leak Protection: Flow Sensor, Micro-Leak Test, Offline Auto Shutoff, Wired Leak Sensor, Freeze Alerts
- - Price: $579.99 vs $284.60
- - Rating: 3.6 vs 4.2
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.
- First Alert L5 WiFi Water Leak Shutoff Valve
- Phyn Protect
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Frequently Asked Questions
Which is better overall: First Alert L5 WiFi Water Leak Shutoff Valve or Phyn Protect?
First Alert L5 WiFi Water Leak Shutoff Valve has the stronger overall profile in this comparison, especially for price, rating, and warranty.
What is the biggest difference between First Alert L5 WiFi Water Leak Shutoff Valve and Phyn Protect?
Price is one of the clearest differences: First Alert L5 WiFi Water Leak Shutoff Valve lists $284.60, while Phyn Protect lists $579.99.
Which one looks better on price?
First Alert L5 WiFi Water Leak Shutoff Valve is listed at $284.60, while Phyn Protect is listed at $579.99. First Alert L5 WiFi Water Leak Shutoff Valve (better spec).
Who should buy First Alert L5 WiFi Water Leak Shutoff Valve?
Choose First Alert L5 WiFi Water Leak Shutoff Valve if your priority is price and rating and that matters more than integrations.
Who should buy Phyn Protect?
Choose Phyn Protect if your priority is integrations 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
FrizzlifeLP365-P
5% OFF$313.49$297.81
YoLinkValve Controller 2 with EVO Valve Operator
$239.00
ZoozZAC36 LR Titan Water Valve Actuator
$199.95
EcoNetBulldog Valve Robot Matter over Wi-Fi EVC400-MW
$215.00- First Alert
L5 WiFi Water Leak Shutoff Valve
$284.60 
MoenFlo Smart Water Monitor + Shutoff
$558.00
AqaraValve Controller T1
10% OFF$69.99$62.99
PhynProtect
$579.99
MoesWiFi Smart Water/Gas Valve Controller
$47.99
YoLinkFlowSmart All-in-One Water Meter & Shutoff
15% OFF$299.99$254.99
Smoke & CO DetectorsFirst AlertSC5 Battery Smart Smoke & CO Alarm
3.8(81)C$169.99
Smoke & CO DetectorsFirst AlertSC5 Hardwire Smart Smoke & CO Alarm
3.2(124)C$169.99
Smoke & CO DetectorsFirst AlertSMCO410 Smoke Detector & CO Alarm
3.5(266)$64.99- Water Shutoff ValvesFirst Alert
L5 WiFi Water Leak Shutoff Valve
4.2(3)$284.60