Market IndexProduct intelligenceWater-leak and shutoff systemsSearch products
All marketsDesk 42Coverage reviewed

Current market guide

Premium residential water-leak detection and automatic shutoff systems

Current whole-home, direct-sensor, retrofit-valve, alert-only and appliance-level water-leak systems, with exact sensing, valve, pipe, response, power, recovery, connectivity, subscription, privacy, installation, backflow, freeze, service, insurance and no-prevention boundaries

Your place in the market

Check the current evidence before buying

Verify the exact valve, sensors, fittings, hub, power, subscription, plumber scope and commissioning drill

New to this marketBegin with the constraint that changes the whole shortlist

Must the system close water automatically, alert only or protect one appliance?

01

Before the shortlist

The first four answers do most of the work

A useful ranking starts only after the constraints specific to this market are clear.

  1. 01

    Must the system close water automatically, alert only or protect one appliance?

  2. 02

    Which supply branches, fixtures, appliances, drains and non-potable sources can the sensing architecture observe or miss?

  3. 03

    What valve type, pipe size, meter, pressure regulator, backflow device, bypass, freeze exposure and manual recovery path exist?

  4. 04

    Who will install, permit, commission, maintain and respond when power, network, cloud service or a valve fails?

02

Market education

Read only as far as you need

The path changes with your research stage. Each guide is built around a decision that removes part of the market.

03

Buying paths

The shortlist covers different ways to own the product

A useful market view needs a credible answer for each common budget, setup, and ownership pattern. These are the paths represented in the current desk.

04

Current coverage

The products with a full market view

These pages connect current facts, alternatives, source history and a stated conclusion. The wider market follows below.

ProductPositionCurrent stateDepth
Moen

Flo Smart Water Monitor and Shutoff 3/4 inch

900-001
$559.00 current U.S. street referenceThe broadest mainstream smart-water ecosystem
Current 3/4-inch in-line flow, pressure and temperature monitor with motorized shutoffcurrent
12 sources11 current facts
Open page
Phyn

Phyn Plus Smart Water Assistant and Shutoff 2nd Gen

PHYPF007
$579.99 current U.S. manufacturer-store referenceThe subscription-free pressure-wave alternative
Current 1-inch pressure-wave monitor and automatic shutoffcurrent
12 sources11 current facts
Open page
Kohler

H2Wise+

K-33604-NA
$540.04 current U.S. Kohler-store referenceThe Kohler-supported Phyn implementation
Current Kohler-branded 1-inch Phyn-powered automatic shutoffcurrent
12 sources11 current facts
Open page
GROHE

Sense Guard Smart Water Controller

22601LN0
$876.00 current U.S. list-price referenceThe offline-shutoff premium controller
Current in-line smart-water controller with automatic, remote and manual shutoffcurrent
12 sources11 current facts
Open page
StreamLabs

Control

Control
$999.00 current U.S. direct-store referenceThe broad-pipe ultrasonic controller
Current ultrasonic in-line monitor and automatic shutoff for 3/4 through 2-inch CTS systemscurrent
12 sources11 current facts
Open page
Resideo

L5 WiFi Water Leak Shutoff Valve with L1 Detector

VWS01Y-3/4
$317.81 current U.S. street referenceThe direct point-sensor shutoff
Current 3/4-inch motorized valve plus wireless point leak and freeze detectorcurrent
12 sources11 current facts
Open page
Elexa

Guardian Leak Prevention Starter Kit+

Starter Kit+
$299.00 current U.S. direct-store referenceThe simplest no-cut starter system
Current retrofit valve controller and long-range point-sensor starter systemcurrent
12 sources11 current facts
Open page
FloLogic

Automatic Water Shutoff System with Gateway Connect 1 inch

FloLogic Connect 1 inch
$2,190.00 current U.S. direct-store referenceThe local-control professional system
Current premium 1-inch flow-based shutoff with local control and connected gatewaycurrent
12 sources11 current facts
Open page
Bluebot

Bluebot Hero

100-W
$558.34 current U.S. first-year referenceThe broad-pipe clamp-on monitor
Current clamp-on ultrasonic alert-only monitor for supported 3/4 through 2-inch pipecurrent
12 sources11 current facts
Open page
Phyn

Smart Water Assistant

PHYPF001
$299.99 current U.S. manufacturer-store referenceThe under-sink no-main-cut monitor
Current under-sink pressure-wave whole-home alert-only monitorcurrent
12 sources11 current facts
Open page
Flume

Flume 2 Smart Home Water Monitor

F2000
$269.00 current U.S. direct referenceThe no-plumbing meter monitor
Current meter-mounted whole-home alert-only water monitorcurrent
12 sources11 current facts
Open page
StreamLabs

Monitor

Monitor
$389.00 current U.S. direct-store referenceThe clamp-on pipe monitor
Current clamp-on ultrasonic alert-only monitor for supported 3/4 and 1-inch CTS pipecurrent
12 sources11 current facts
Open page
Taco Comfort Solutions

LeakBreaker Water Heater Shut-Off

LB-075-H-2LF
$220.26 current U.S. retail referenceThe serviceable water-heater local system
Current 3/4-inch water-heater point-of-use valve, floor sensor and local alarmcurrent
12 sources11 current facts
Open page
OnSite PRO

FloodStop Water Heater 3/4 NPT V4

FS3/4NPT-V4 / 20001
$202.85 current U.S. retail referenceThe simple water-heater shutoff
Current water-heater point-of-use 3/4-inch valve, wired sensor and V4 controllercurrent
12 sources11 current facts
Open page
OnSite PRO

FloodStop Washing Machine 3/4 H90 V4

FS3/4H90-V4 / 20010
$286.72 current U.S. street referenceThe dedicated washer dual-valve system
Current dual-valve washing-machine point-of-use shutoff, sensor and V4 controllercurrent
12 sources11 current facts
Open page
05

Wider market

25 products in the working index

Known models remain searchable while the deeper work is underway. They do not receive a recommendation until price, support, ownership and direct comparisons are checked.

ProductMarket positionCurrent stateResearch
DROP

Home Protection Valve

Home Protection Valve
Current premium municipal-water valve with flow, pressure, temperature, check valve and manual bypassA $1,568 valve whose full connected purchase requires careful confirmation of DROP Hub, leak-detector and installation contents
currentOfficial source checked Aug 18
Market recordFull comparison in progress
Open record
Water Hero

P-100

P-100
Current in-line flow-duration monitor and automatic shutoff in multiple residential pipe sizesA supported connected valve retained identity-only because current Water Hero surfaces conflict on 3/4-inch hardware and annual-service pricing
currentOfficial source checked Aug 18
Market recordFull comparison in progress
Open record
Bluebot

Bluebot Mini

50-W
Current lower-cost 3/4 and 1-inch clamp-on alert-only monitorA compact ultrasonic meter sold with a Premium Data term and no automatic shutoff valve
currentOfficial source checked Aug 18
Market recordFull comparison in progress
Open record
DynaQuip Controls

WaterCop Classic Indoor

Classic Indoor
Current locally controlled residential valve and wireless or wired sensor familyA supported classic point-sensor automatic shutoff branch with current manuals but dealer-configured price and package
currentOfficial source checked Aug 18
Market recordFull comparison in progress
Open record
DynaQuip Controls

WaterCop Pro Indoor

Pro Indoor
Current professional sensor, panel and valve platform with optional SmartConnectA supported professional residential system whose exact valve, sensor and connected package requires a project quote
currentOfficial source checked Aug 18
Market recordFull comparison in progress
Open record
Sentinel Hydrosolutions

Leak Defense System

LDS
Current professionally assessed thermodynamic flow-sensor and automatic valve systemA highly configurable whole-home platform with local panel and optional app whose price is assessment and installer dependent
currentOfficial source checked Aug 18
Market recordFull comparison in progress
Open record
Sinopé Technologies

Sedna Water Damage Protection System

VA4220WF / VA4221WF system
Current Wi-Fi valve, five-detector and backup-power system in NPT and PEX variantsA coherent North American distributed-sensor system retained identity-only because its current direct price is denominated in CAD rather than an exact U.S. offer
currentOfficial source checked Aug 18
Market recordFull comparison in progress
Open record
EcoNet Controls

Bulldog Matter over Wi-Fi Starter Kit with 3 Sensors

EVC400-MW-SK3
Current no-cut valve robot and three-sensor direct-pairing starter systemA supported retrofit-valve system retained identity-only because current official price evidence is Canadian and exact U.S. offer support is thinner
currentOfficial source checked Aug 18
Market recordFull comparison in progress
Open record
Watts

IntelliFlow Washing Machine Smart Water Shutoff

A2C-SC / 0004648
Current surface-mount washing-machine current-sensing and floor-sensor shutoffA complete dual-supply appliance system with Wi-Fi alerts and exact current support, held below defended status pending a fresh exact street-price and owner dossier
currentOfficial source checked Aug 18
Market recordFull comparison in progress
Open record
Watts

IntelliFlow Smart Water Shutoff with Wall Box

A2C-SC-WB / 0004649
Current wall-box washing-machine current-sensing and floor-sensor shutoffThe built-in wall-box IntelliFlow configuration is materially different installation hardware but still needs fresh exact U.S. street-price and owner evidence
currentOfficial source checked Aug 18
Market recordFull comparison in progress
Open record
06

Market language

The terms a useful comparison should define

Automatic shutoff
A powered valve closes after a configured signal; it does not guarantee detection, closure, isolation of every source or prevention of damage
Direct-water sensor
A point sensor reacts where water reaches it, so placement and coverage gaps remain part of the system
Flow inference
A system estimates abnormal use from flow, pressure or meter data; learning and thresholds can miss or misclassify events
Manual recovery
A documented way to restore or isolate water safely when power, app, network, actuator or cloud control is unavailable

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