What Leak Defense Alert does

Leak Defense Alert, operating as Leak Defense System, is a U.S.-based water leak detection and automatic shutoff product line run by Sentinel Hydrosolutions, LLC, with operational signals indicating it sits inside the publicly traded plumbing manufacturer Watts Water Technologies. The product is a five-component integrated hardware-and-software platform: a continuous-monitoring shutoff valve, an on-premises control panel that operates without Wi-Fi, a wireless point-of-leak moisture detector, an all-purpose interface for integrating with security systems and Building Management Systems (BMS), and a mobile app (iOS/Android) plus a companion web app (catchaleak.com) that allows remote monitoring and shutoff of one or multiple properties.

The system is sold across four customer segments: residential homeowners, multi-family property managers, commercial property managers, and residential home builders (via the BuildAlert sub-brand). The go-to-market blends channel sales through a certified installer network, B2B2C demand generated by endorsements from at least eight major U.S. insurance carriers (Chubb, PURE, Cincinnati, Berkley One, Nationwide, AIG, Hanover, Vault) — some of which offer premium discounts to policyholders who install the system — and a direct 'Get a Quote' contact path for enterprise and commercial buyers. The monetization model is predominantly one-time hardware sale plus installation, with the mobile app / cloud connectivity layer implying a possible secondary recurring or premium-feature revenue stream; pricing is not publicly disclosed and is quote-driven.

Anomaly detection on continuous water-flow sensor data is the only disclosed AI-adjacent capability; there is no evidence of proprietary models, research output, or ML-driven differentiation in the source material. Operational footprint is North America, with website localization (English/French) hinting at cross-border reach. The company is privately held, discloses no financials, and reports no funding rounds in the input data.

Name

Leak Defense Alert

Legal name

Sentinel Hydrosolutions, LLC

Website

https://leakdefensealert.com

Company type

Private

Operating status

Operating

Headcount range

11–50 employees

Short description

Leak Defense System (operated by Sentinel Hydrosolutions, LLC) sells a continuous water-flow monitoring and automatic shutoff system for residential, multi-family, and commercial properties, distributed via certified installers and insurance-carrier endorsements.

Ownership category

akta.pro rank

Product category

Water Leak Detection and Automatic Shutoff Systems

NAICS

Security Systems Services (except Locksmiths) (561621), Security Systems Services (56162)

SIC

Wholesale-Hardware & Plumbing & Heating Equipment & Supplies (5070), Gaskets, Packg & Sealg Devices & Rubber & Plastics Hose (3050)

akta.pro primary industry

Water Leak Detection & Smart Shutoff Valve Systems (HSAHAGAA)

akta.pro secondary industries

Home Safety & Water Management (Smoke/CO, Leak Detection, Shutoff Valves) (HSAPAQAH), Environmental Monitoring (Water Leak/Freeze/Gas) Services (HSAHAAAK), Environmental & Technical Alarm Monitoring (Temperature, Water Leak, Gas, Power) (BPAKAFAG)

Keywords

• Water leak detection
• Automatic water shutoff
• Plumbing monitoring systems
• Residential water protection
• Commercial leak prevention

Headquarters

HQ city

Escondido

HQ country

United States

HQ region

North America

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Marketing or Sales, Technology or R&D, Personnel

Revenue model

1. Hardware System Sales: The primary revenue stream is from the sale of the Leak Defense System hardware, which includes the valve, control panel, and accessories. The system is sold as a one-time hardware purchase with installation performed by a certified installer network. The company generates ongoing revenue through accessory sales and replacement components.
2. Mobile App / Remote Monitoring Services: The mobile app provides remote monitoring and control capabilities. The app is available on iOS and Android platforms via the respective app stores. Revenue from app-related services may include premium features or ongoing connectivity services.

Go-to-market motion2 records

Distribution channels5 records

Marketing channels8 records

Core offering

Leak Defense Alert (doing business as Leak Defense System) sells a hardware-based continuous water leak detection and automatic shutoff system for residential, multi-family, and commercial properties. The offering combines a flow-sensing shutoff valve, an on-premises control panel, an All-Purpose Interface for integration with security/BMS systems, wireless Point of Leak detectors, and a mobile app for remote monitoring. The system is sold primarily through a certified installer network and insurance carrier endorsement channels.

Product overview

Leak Defense Alert offers a unified leak detection and water damage prevention system consisting of five integrated components: the Leak Defense System Valve (main shutoff valve with continuous monitoring), On-Site Control Panel (local access and alerts without WiFi), All-Purpose Interface (for integrating with security systems and building management systems), Point of Leak Detectors (auxiliary moisture sensors for high-risk areas), and a Mobile App (for remote monitoring and control). The system is designed for residential, multi-family, and commercial properties, offering customizable protection that detects hidden leaks under slabs, behind walls, and in ceilings while providing 24/7/365 monitoring with automatic water shutoff and mobile alerts.

Differentiator

Problem solved

Functional benefit

Brands

• BuildAlert: BuildAlert is a commercial-specific offering under the Leak Defense commercial products division, providing leak detection solutions for the building and construction industry.

Products and services

• Leak Defense System Valve The main flow-sensing valve that continuously monitors water flow and automatically shuts off the water supply when a leak is detected to prevent water damage in residential, multi-family, and commercial properties.
• On-Site Control Panel An on-premises control panel that allows users to control the Leak Defense System locally and receive alerts when there is an issue, operating without requiring WiFi connectivity.
• All-Purpose Interface An integration interface that enables security systems, Building Management Systems (BMS), and water-using appliances to connect to the Leak Defense System for added protection and expanded control.
• Point of Leak Detectors Wireless moisture detectors placed in high-risk plumbing areas that sound an audible alarm when moisture is detected, helping stop damage before it starts.
• Leak Defense Mobile App Mobile application (iOS and Android) that allows users to remotely monitor and control water supply for one or multiple Leak Defense Systems while on-site or away, enabling alerts and remote automatic water shutoff.
• BuildAlert Commercial sub-brand of Leak Defense that provides leak detection solutions tailored to the building and construction industry, including protection during the construction phase and as a differentiator for new builds.

Quantifiable outcome

• Prevents tens of thousands of dollars in potential water damage through early detection and automatic shutoff

Named customers13 records

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability2 records

Feature7 records

Partnerships

Nine partnerships are on record, tiered core.

• ChubbcoreGTM or Marketing PartnerChubb is a major global insurance carrier that endorses the Leak Defense System to its policyholders. The company logo appears in the 'Trusted By' section of the Leak Defense website, and Chubb offers premium discounts to homeowners who install the system. This endorsement provides significant credibility and top-of-funnel demand generation for Leak Defense.
• PURE InsurancecoreGTM or Marketing PartnerPURE Insurance is a member-focused insurance carrier that includes the Leak Defense System in its risk management recommendations to members. The partnership provides Leak Defense with access to PURE's member base through co-endorsement.
• Cincinnati Insurance CompaniescoreGTM or Marketing PartnerCincinnati Insurance Companies endorses the Leak Defense System to its policyholders as part of its risk management and loss prevention offerings. The endorsement is featured on the Leak Defense website's 'Trusted By' section.
• Berkley OnecoreGTM or Marketing PartnerBerkley One, a specialty insurance carrier, includes the Leak Defense System in its portfolio of endorsed risk mitigation solutions for high-value homeowners and property owners.
• NationwidecoreGTM or Marketing PartnerNationwide is a large U.S. insurance carrier that offers premium discounts to policyholders who install the Leak Defense System. The Nationwide endorsement provides broad consumer reach across the residential market.
• AIGcoreGTM or Marketing PartnerAIG is a global insurance corporation that includes the Leak Defense System among its endorsed water damage prevention tools for commercial and residential policyholders.
• The Hanover Insurance GroupcoreGTM or Marketing PartnerThe Hanover Insurance Group endorses the Leak Defense System as part of its property protection and risk management recommendations to policyholders, providing access to its commercial and personal lines customer base.
• VaultcoreGTM or Marketing PartnerVault is an insurance carrier that features the Leak Defense System in its list of endorsed water damage mitigation solutions for policyholders, driving awareness and adoption among its customer base.
• Sentinel Hydrosolutions, LLC (Parent Company)coreOthersLeak Defense System is operated and sold by Sentinel Hydrosolutions, LLC, a Watts Water Technologies company. The copyright notice on the website identifies Sentinel Hydrosolutions, LLC as the rights holder. Tracy Curley of Sentinel Hydrosolutions is referenced as a key account contact in customer testimonials.

Scale indicators1 record

Recent moves6 records

Expansion highlights6 records

Direct peers

• Flume: Flume provides a smart water monitor (strap-on sensor) with a mobile app for leak detection and consumption tracking without requiring a full-system shutoff. It is a directly comparable consumer water-monitoring solution, though it does not include automatic shutoff.
• Phyn: Phyn (backed by Belkin) provides AI-powered smart water monitoring and automatic shutoff with a mobile app for residential and small commercial properties. It directly competes on continuous flow monitoring, leak detection sensitivity, and smart-home integration.
• WaterCop: WaterCop manufactures automatic water shutoff systems paired with leak sensors, distributed primarily through plumbing wholesalers and certified installers. It is a direct functional peer in the same installer-channel go-to-market as Leak Defense.
• LeakSmart: LeakSmart (a Fortune Brands Innovations brand) sells a whole-home water leak detection and automatic shutoff system with a hub-and-sensor architecture and app. It overlaps directly with Leak Defense on installer-distributed shutoff systems for residential and multi-family properties.
• Flo by Moen: Flo by Moen (a Masco brand) offers a smart water shutoff system with continuous flow monitoring, automatic shutoff, and a mobile app. It is the closest direct competitor to Leak Defense in both technology (live-pipe flow sensing with automatic valve shutoff) and go-to-market (insurance discounts and homebuilder adoption).

Emerging players

• Wally (WallyHome): WallyHome (by SNUPI Technologies) offers wireless leak and environmental sensors with a hub and mobile app for residential property monitoring. It overlaps with Leak Defense in point-of-leak detection and remote alerting, though without an automatic shutoff valve.
• StreamLabs (by HomeServe): StreamLabs (HomeServe Labs) makes an in-pipe ultrasonic water monitor with leak detection and app-based alerts. It is an emerging direct competitor in the smart residential water-monitoring category with growing insurance and utility channel partnerships.
• Rachio: Rachio makes smart irrigation controllers and has expanded into broader smart water management, including leak detection partnerships. It is an adjacent smart-water peer that shares the residential water-monitoring and mobile-app user experience with Leak Defense.

Broad incumbents

• Resideo (Honeywell Home): Resideo offers the Honeywell Home line of smart water leak detectors and shutoff valves, distributed broadly through professional contractors and security dealers. It is a comparable water-leak-detection solution set within a much larger connected-home and security portfolio.
• Uponor / Watts Water Technologies: Watts Water Technologies (parent/affiliated entity of Sentinel Hydrosolutions) is a large plumbing and water-quality equipment manufacturer. It is comparable as a broad incumbent in residential and commercial water-management infrastructure that could expand smart-leak offerings internally, making it both a parent and a competitive reference.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Leak Defense Alert