Next full checkAug 25, 2026Price checks run sooner
01
Ready to buy
Confirm the exact system and installed boundary
The retained reference is $317.81 current U.S. street reference. Confirm the package includes L1 rather than valve-only VWS02Y, and price additional cables and detectors for every intended risk area. Commission sensing, closure, manual recovery, alarms and every configured notification before relying on the installation.
Buying stageMarket familiarity
02
Current market
The facts that change the ownership choice
Each line carries its own check date because price, software, specifications, and product cycle do not age at the same speed.
QuestionCurrent answerFreshnessBasis
Current price
$317.81 current U.S. street reference
Confirm the package includes L1 rather than valve-only VWS02Y, and price additional cables and detectors for every intended risk area. Confirm current stock, seller authorization, tax, delivery, fittings, valves, sensors, hubs, backup power, subscription, labor, permits and return terms before paying.
Checked 5 days agoDirect source1 evidence item
System branch
Distributed point-sensor automatic shutoff
Checked 5 days agoOur synthesis2 evidence items
Complete-system boundary
VWS01Y-3/4 contains the L5 actuator and 3/4-inch NPT valve plus one L1 detector and cable; more rooms need additional detectors, and plumber, fittings, outlet and any battery strategy are separate
Checked 5 days agoOur synthesis3 evidence items
Sensor, valve and pipe
The package combines a full-port 3/4-inch NPT potable-water ball valve and removable actuator with one battery L1 water and freeze detector and sensing cable; it does not infer hidden flow throughout the home
Checked 5 days agoOur synthesis3 evidence items
Automatic versus alert-only
A paired L1 wet event can command automatic valve closure and notifications; local button, app and manual handle provide different paths, while areas without a detector are alert-blind
Checked 5 days agoOur synthesis2 evidence items
Power and outage behavior
The L5 actuator uses its 10-foot AC power cable and the L1 uses three AA batteries; manual override remains necessary for outages, and detector battery status and radio range must be maintained
Checked 5 days agoOur synthesis2 evidence items
Connectivity, subscription and privacy
The Resideo or designated successor app, Wi-Fi, account and cloud handle configuration and remote alerts; valve-to-detector setup, email and mobile permissions plus household and account data remain service and privacy dependencies
Checked 5 days agoOur synthesis3 evidence items
Installation, backflow and freeze
Install after the manual main valve and after a pressure-reducing valve where applicable, with direction, accessible override, leak testing and qualified plumbing; assess meter, backflow, thermal expansion, fire lines and freezing rather than assuming a universal location
Checked 5 days agoOur synthesis3 evidence items
Maintenance, service and failures
Exercise the valve, wet-test each sensor and cable, replace batteries and inspect joints; Resideo lists a five-year limited warranty in current professional literature, while dry placement gaps, radio, power, cloud, freeze, valve and external-water failures remain
Checked 5 days agoOur synthesis3 evidence items
Insurance and no-prevention boundary
This system does not repair leaks, stop every water source, remove shock, hot-water, sewage, backflow, freeze or mold hazards, replace a plumber or required permit and backflow work or guarantee detection, closure, notification, runtime, reliability, flood prevention, insurance eligibility, coverage or a claim outcome.
Checked 5 days agoOur synthesis4 evidence items
Current verdict
The direct point-sensor shutoff
The L5 package is best when direct water-on-floor detection at known risks matters more than whole-home flow learning and one detector is a useful starting boundary.
Checked 5 days agoOur synthesis12 evidence items
03
Other paths
The alternatives change what the L5 WiFi Water Leak Shutoff Valve with L1 Detector is worth
These are not generic competitors. Each one represents a different way to buy into the same market.
Starter Kit+ is a coherent controller-and-sensor system for a compatible, accessible quarter-turn main valve; valve condition, mounting clearance, nearby power and optional backup battery or extra detectors remain outside the base package
The 900-001 includes the 3/4-inch valve, monitor and power path, but not a plumber, isolation and bypass valves, nearby receptacle, optional floor sensors, optional battery backup or FloProtect service
Older observations stay in the ledger when the current view changes. That lets a buyer tell the difference between an old complaint, an active issue, and a problem that was corrected.
notable
Exact current system, price and failure boundary retained
L5 WiFi Water Leak Shutoff Valve with L1 Detector was checked against manufacturer identity and support, current U.S. price, sensing and valve hardware, pipe and installation fit, power, connection and service, independent evidence and bounded owner or installer reports.
Price record
The price history starts here
Each amount stays tied to its source and capture date. Conflicting prices remain visible until the seller resolves them.
$317.81 current U.S. street reference
Current reference priceA structured timeline will begin with the next source capture
05
Owner experience
What repeats after the purchase
Owner and installer evidence centers on detector placement, radio pairing, app migration, manual override and valve cycling rather than a universal detection or prevention result.
These are self-reported or retailer- and manufacturer-presented experiences across different pipes, valves, pressure, water quality, sensors, power, networks, accounts, settings, installations, maintenance and leak events. They identify commissioning and service checks and do not establish standardized sensitivity, closure time, notification delivery, runtime, reliability, failure rate, flood or freeze prevention, safety, code approval, insurance eligibility, coverage or claim outcomes.
SignalWhat owners reportOur readEvidence
detector placement, radio pairing, app migration, manual override and valve cycling
Product-specific posts discuss pairing, placement, valve response and app behavior. Sparse self-selected reports identify commissioning checks but not failure rates.
Map every intended sensor location and radio path, then wet-test each detector and confirm that local closure still works before evaluating remote alerts.
1 evidence record
06
Sources
Why we believe the current view
The page separates what a source states directly from what we conclude across sources.
01
L5 WiFi Water Leak Shutoff Valve with L1 Detector exact manufacturer recordResideo · identity
Resideo identifies VWS01Y-3/4 as a complete spot-sensor-driven shutoff package with a potable-water ball valve, local override and app alerts.
L5 WiFi Water Leak Shutoff Valve with L1 Detector exact current U.S. offerCurrent U.S. retailer · price
$317.81 current U.S. street reference was retained for VWS01Y-3/4. Confirm the package includes L1 rather than valve-only VWS02Y, and price additional cables and detectors for every intended risk area
L5 WiFi Water Leak Shutoff Valve with L1 Detector manual and hardware boundaryResideo · specification
The package combines a full-port 3/4-inch NPT potable-water ball valve and removable actuator with one battery L1 water and freeze detector and sensing cable; it does not infer hidden flow throughout the home A paired L1 wet event can command automatic valve closure and notifications; local button, app and manual handle provide different paths, while areas without a detector are alert-blind Install after the manual main valve and after a pressure-reducing valve where applicable, with direction, accessible override, leak testing and qualified plumbing; assess meter, backflow, thermal expansion, fire lines and freezing rather than assuming a universal location
L5 WiFi Water Leak Shutoff Valve with L1 Detector power, connection and service boundaryResideo · specification
The L5 actuator uses its 10-foot AC power cable and the L1 uses three AA batteries; manual override remains necessary for outages, and detector battery status and radio range must be maintained The Resideo or designated successor app, Wi-Fi, account and cloud handle configuration and remote alerts; valve-to-detector setup, email and mobile permissions plus household and account data remain service and privacy dependencies Exercise the valve, wet-test each sensor and cable, replace batteries and inspect joints; Resideo lists a five-year limited warranty in current professional literature, while dry placement gaps, radio, power, cloud, freeze, valve and external-water failures remain
EPA guidance emphasizes finding and repairing the physical leak. Monitoring or shutoff equipment does not itself repair pipe, fixture, appliance, drain or water intrusion.
Cross-connection and backflow control boundaryU.S. Environmental Protection Agency · specification
Backflow and cross-connection control are plumbing-system and public-health functions. A smart valve does not replace required devices, testing, permits or local authority decisions.
Connected-app privacy controlsU.S. Federal Trade Commission · specification
Connected-device users should review app permissions, accounts, data collection, security and deletion. A local valve function does not remove cloud-data and notification boundaries.
Flood coverage and claim boundaryNational Flood Insurance Program · specification
Flood coverage and claims depend on policy, peril, documentation and event facts. Owning a detector or automatic valve does not guarantee coverage, a discount or payment.
Best water leak detectors, August 2026Tom's Guide · specification
Current editorial testing distinguishes whole-home flow monitors, automatic valves and point sensors, including installation, connectivity and alert-only versus shutoff behavior.
Guardian Leak Prevention Starter Kit+ defended alternativeElexa · alternative
Guardian Leak Prevention Starter Kit+ is the retrofit-valve distributed-sensor automatic shutoff alternative at $299.00 current U.S. direct-store reference.
Manufacturer identity, exact current U.S. price, current specification, manual or support, independent editorial, test or professional-market evidence and bounded owner or installer evidence were checked on August 18, 2026. This desk covers supported complete residential whole-home flow or pressure monitors, motorized main shutoff systems, retrofit valve controllers with a coherent sensor branch, alert-only whole-home monitors and appliance-level automatic shutoff systems. It excludes loose sensors outside a coherent supported branch, standalone valves or actuators without the required controller, unsupported marketplace hardware, irrigation-only valves, commercial-only BMS, obsolete products and cosmetic multipacks or bundles. Sensor type and placement determine what can be observed. Flow, pressure-wave, utility-meter, clamp-on ultrasonic and direct-water sensors have different thresholds and blind spots. Valve size, connection, full-port geometry, direction, straight-run needs, pressure and temperature rating, potable-water approval, meter, PRV, well, treatment, irrigation, fire branch, thermal expansion, check valve and backflow placement are site facts. Alert-only systems never stop water. Automatic systems depend on configuration, learning, detector coverage, valve operation and available power. AC, batteries, backup modules and manual overrides have separate limits, and an internet-offline claim is not an electrical-outage claim. Apps, Wi-Fi, hubs, accounts, cloud analytics, subscriptions, monitored service, notifications, firmware and integrations have privacy, security, retention, outage, ownership-transfer and provider-continuity boundaries. Use qualified plumbing and electrical work and required permits, inspections and backflow review. Isolate electrical and water energy before service. Do not touch wet energized equipment. Hot water, contaminated floodwater, sewage, sewer backup, mold, frozen pipe, roof, drain, groundwater and water already stored in an appliance or tank can remain after a valve closes. Fix the source, dry and remediate materials and use emergency, utility, plumbing, electrical, public-health and insurance guidance. Product ownership or an insurer program does not guarantee a discount, eligibility, coverage or a claim. No sensor, valve, algorithm, test, alarm, app, cloud, battery, subscription, plumber, warranty or installation guarantees leak detection, automatic closure, flood or freeze prevention, notification, runtime, reliability, service life, mold prevention, property protection, code or permit approval, insurability, coverage or an insurance outcome.