Device profile · Specifications & compatibility
First Alert L5 WiFi Water Leak Shutoff Valve
First Alert · Water Shutoff Valves · Model VWS02Y-3/4
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- First Alert L5 WiFi Water Leak Shutoff Valve lists Installation Type: Inline valve; Pipe Sizes: 1/2", 3/4", 1", 1-1/4"; 2.4 GHz Wi-Fi.
- Distinguish an actuator fitted to an existing valve from an in-line device requiring plumbing work.
Browse more from First Alert or explore all water shutoff valves in our catalog.
- Recorded year
- 2022
- Recorded warranty
- 5 years
- Dimensions
- 119 x 68 x 144 mm
- Weight
- ?
The details that shape your choice
First Alert L5 WiFi Water Leak Shutoff Valve Quick Features
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First Alert L5 WiFi Water Leak Shutoff Valve: Capabilities And Limitations
Based on listed specifications, not hands-on testing. Manufacturer sources are linked where checked.
What it offers
Check the full specifications against the features you need. There is not enough confirmed information here to highlight a capability.
What to consider
Matter is listed as unsupported; check another documented integration if Matter is essential to your setup. The specifications list Wi-Fi 2.4 GHz and Bluetooth 4.1 only, with no Matter support.
View Matter details →Apple Home support is listed as unavailable; do not assume the device appears directly in Apple Home. The manufacturer documents control only through the First Alert app; no third-party platform is claimed.
View Apple Home details →
Still needs verification
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Questions About First Alert L5 WiFi Water Leak Shutoff Valve
What is the installation type of First Alert L5 WiFi Water Leak Shutoff Valve?
Installation Type: Inline valve. Distinguish an actuator fitted to an existing valve from an in-line device requiring plumbing work. Ships with a lead-free NPT ball valve that is plumbed into the main line, after the main shutoff and the pressure reducing valve; the actuator then clips onto it.
View Installation Type specifications →Which pipe sizes does First Alert L5 WiFi Water Leak Shutoff Valve support?
Pipe Sizes: 1/2", 3/4", 1", 1-1/4". Check fittings, valve type and installation requirements for the exact model. Sold as VWS02Y-1/2, VWS02Y-3/4, VWS02Y-1 and VWS02Y-11/4, each with its own NPT ball valve.
View Pipe Sizes specifications →Does First Alert L5 WiFi Water Leak Shutoff Valve support Matter?
No, according to the listed specifications. Verify the exact device type, firmware and features exposed in your chosen platform. Matter support is not proof of feature parity. The specifications list Wi-Fi 2.4 GHz and Bluetooth 4.1 only, with no Matter support.
View Matter specifications →Does First Alert L5 WiFi Water Leak Shutoff Valve work with Apple Home?
No, according to the listed specifications. Check the model, firmware, exposed controls and any additional hardware requirements. The manufacturer documents control only through the First Alert app; no third-party platform is claimed.
View Apple Home specifications →Does First Alert L5 WiFi Water Leak Shutoff Valve connect to 2.4 GHz Wi-Fi?
Yes, according to the listed specifications. Check the network security mode and setup requirements before connecting the device. 802.11 b/g/n at 2.4 GHz.
View 2.4 GHz Wi-Fi specifications →Explore the full picture
First Alert L5 WiFi Water Leak Shutoff Valve Specifications
Recorded catalog values. Expand notes for qualifications; unknown values are not treated as missing features.
0 of 26 fields matched to manufacturer documentation. Source checks apply only to the named model and stated scope. Other fields remain catalog data. How we verify specifications →
Valve4 fields
| Installation Type | Inline valveDetails & conditionsShips with a lead-free NPT ball valve that is plumbed into the main line, after the main shutoff and the pressure reducing valve; the actuator then clips onto it. |
|---|---|
| Pipe Sizes | 1/2", 3/4", 1", 1-1/4"Details & conditionsSold as VWS02Y-1/2, VWS02Y-3/4, VWS02Y-1 and VWS02Y-11/4, each with its own NPT ball valve. |
| Motor Torque | 5 N·mDetails & conditionsRated torque 5 N·m (44.25 in-lbs), breakaway torque 6.5 N·m, runtime under 10 seconds for a 90 degree turn. |
| Valve Exercise | YesDetails & conditionsA configurable maintenance cycle closes and reopens the valve on a schedule; First Alert recommends at least every 2 months. It does not run while the valve is closed. |
Connectivity6 fields
| 2.4 GHz Wi-Fi | YesDetails & conditions802.11 b/g/n at 2.4 GHz. |
|---|---|
| Bluetooth | YesDetails & conditionsBluetooth 4.1; a long press of the power button starts Bluetooth broadcasting for setup. |
| Z Wave | No |
| Zigbee | No |
| Thread | No |
| Other | No |
Features1 fields
| Automations | YesDetails & conditionsUp to 30 First Alert WiFi leak detectors can be paired, and you choose which of them trigger the automatic shutoff in the app's Leak Protection settings. |
|---|
Leak Protection5 fields
| Flow Sensor | No |
|---|---|
| Micro Leak Test | No |
| Offline Auto Shutoff | Not recorded |
| Wired Leak Sensor | YesDetails & conditionsIncludes a 5 ft sensing cable plugged into the actuator that shuts the water off when it detects a leak; more cables can be linked to extend coverage to 500 ft. |
| Freeze Alerts | Sold separatelyDetails & conditionsThe valve has no temperature sensor of its own; freeze monitoring comes from a First Alert L1 WiFi Water Leak and Freeze Detector paired with it. |
Integrations6 fields
| Google Home | NoDetails & conditionsThe manufacturer documents control only through the First Alert app; no third-party platform is claimed. |
|---|---|
| Alexa | NoDetails & conditionsThe manufacturer documents control only through the First Alert app; no third-party platform is claimed. |
| Apple Home | NoDetails & conditionsThe manufacturer documents control only through the First Alert app; no third-party platform is claimed. |
| SmartThings | NoDetails & conditionsThe manufacturer documents control only through the First Alert app; no third-party platform is claimed. |
| Home Assistant | Not recorded |
| Matter | NoDetails & conditionsThe specifications list Wi-Fi 2.4 GHz and Bluetooth 4.1 only, with no Matter support. |
Power4 fields
| Wired | YesDetails & conditionsPowered by a 15 V adapter (100-240 V input) with a 10 ft cord. |
|---|---|
| Battery Type | Not applicable / unspecified |
| Battery Life | Not applicable / unspecified |
| Battery Backup | NoDetails & conditionsNo battery is listed. During a power outage the manual says to unplug the actuator and use its emergency handle; that handle does not sync the valve state with the app. |
How this device compares
First Alert L5 WiFi Water Leak Shutoff Valve vs Other Similar Models
Statistical context from 10 water shutoff valves in this catalog. These figures describe our recorded data, not independent measurements.
Recorded feature coverage
Bluetooth: 2 of 8 known answers are Yes
Connectivity: 25% among explicit Yes/No answers; 2 of 10 devices have no resolved answer. Check the specifications for this model’s conditions.
Recorded feature coverage
2.4 GHz Wi-Fi: 5 of 9 known answers are Yes
Connectivity: 56% among explicit Yes/No answers; 1 of 10 devices have no resolved answer. Check the specifications for this model’s conditions.
Recorded feature coverage
Wired: 8 of 10 known answers are Yes
Power: 80% among explicit Yes/No answers; 0 of 10 devices have no resolved answer. Check the specifications for this model’s conditions.
Brand representation in this directory
1 of 10 models are from First Alert
Counts water shutoff valves listed here, not sales or market share. Catalog inclusion does not imply a recommendation.
Side-by-side specification comparison
Compare First Alert L5 WiFi Water Leak Shutoff Valve vs Similar Water Shutoff Valves
See how First Alert L5 WiFi Water Leak Shutoff Valve stacks up against other water shutoff valves in this catalog. Compare specifications, compatibility and pricing.
Catalog specifications have not all been independently checked against manufacturer sources. Read our data and evidence methodology.