Shelly Flood Gen4

The Shelly Flood Gen4 is an advanced smart water leak sensor designed to detect water leaks at the earliest possible moment, helping prevent costly water damage to your home or business. Featuring Wi-Fi, Zigbee, Bluetooth, and Matter connectivity, it provides instant notifications, intelligent automations, and seamless integration with today's leading smart home platforms.

In addition to accurate water leak detection, the Shelly Flood Gen4 also includes an integrated temperature sensor, allowing you to monitor environmental conditions while protecting vulnerable areas such as kitchens, bathrooms, utility rooms, basements, and boiler rooms.

Detect Water Leaks Before They Cause Damage

The smart flood sensor instantly detects water on the floor and immediately sends notifications to your smartphone or triggers local smart home automations. Place it under washing machines, dishwashers, sinks, water heaters, refrigerators, or any location where leaks may occur.

• Instant water leak detection
• Fast flood alerts
• Reliable battery-powered operation
• Ideal for leak-prone areas
• Protects against costly water damage

Built-in Temperature Monitoring

The integrated temperature sensor continuously measures ambient temperature, allowing you to monitor conditions that could lead to frozen pipes, overheating equipment, or other environmental risks. Use temperature data as part of your smart home automations for even greater protection and efficiency.

Wi-Fi, Zigbee & Matter Connectivity

The Shelly Flood Gen4 supports multiple communication protocols, providing maximum flexibility for every smart home installation.

• Wi-Fi connectivity
• Zigbee 3.0 support
• Matter compatibility
• Bluetooth for quick setup
• Cloud and local operation

It integrates seamlessly with Shelly Smart Control, Home Assistant, Google Home, Amazon Alexa, SmartThings, and other Matter-compatible smart home ecosystems.

Smart Home Automation for Complete Protection

Create intelligent automations that respond immediately when a leak is detected. Automatically shut off compatible smart water valves, activate alarms, send notifications, switch on lights, or trigger emergency routines to minimize damage.

With support for local scripting, MQTT, REST API, and webhooks, the Shelly Flood Gen4 continues protecting your property even without cloud connectivity.

Compact Design and Long Battery Life

The compact design allows the water leak detector to fit discreetly beneath appliances, sinks, and plumbing fixtures while providing reliable long-term battery operation and maintenance-free performance.

Ideal Applications

• Under sinks
• Washing machines
• Dishwashers
• Water heaters
• Bathrooms
• Boiler rooms
• Basements
• Utility rooms
• Holiday homes
• Commercial buildings

Why Choose Shelly Flood Gen4?

• Advanced smart water leak sensor
• Instant flood detection and alerts
• Built-in temperature monitoring
• Supports Wi-Fi, Zigbee, Bluetooth and Matter
• Advanced smart home automation
• MQTT, REST API and webhook support
• Battery-powered wireless installation
• Works with leading smart home platforms
• Reliable protection against water damage

What is the Shelly Flood Gen4?

The Shelly Flood Gen4 is a smart water leak sensor that detects water leaks, monitors ambient temperature, and triggers notifications or automations to help prevent water damage.

Can the Shelly Flood Gen4 monitor temperature?

Yes. In addition to leak detection, it features an integrated temperature sensor for environmental monitoring and advanced smart home automations.

Does the Shelly Flood Gen4 support Matter?

Yes. It supports Matter together with Wi-Fi, Zigbee 3.0, and Bluetooth for maximum compatibility with modern smart home ecosystems.

Can it trigger other smart home devices?

Absolutely. The Shelly Flood Gen4 can activate alarms, close smart water valves, send notifications, and trigger custom automation scenes whenever water is detected.

Protect Your Home with Intelligent Leak Detection

The Shelly Flood Gen4 combines reliable water leak detection, integrated temperature monitoring, and flexible Wi-Fi, Zigbee, and Matter connectivity in one powerful smart water leak sensor. Whether you're protecting your home, holiday property, or commercial building, it delivers fast alerts, intelligent automation, and dependable protection against costly water damage.

Delivery and warranty

Shipped from our New Zealand supplier's warehouse, typically dispatched within 2 working days. Full Shelly manufacturer warranty, backed by MEDA support.