The ELK E27 Alarm Engine provides a powerful platform for integrated security and automation. When paired with the ELK-AEZW Z-Wave Adapter, installers gain access to a wide range of Z-Wave devices that can be monitored and controlled through the ElkConnect app, the ELK-7TS Touchscreen, or through E27 Rules Automation.
Supported Z-Wave integrations include:
- Entry locks
- Thermostats
- Lighting (switches and dimmers)
- Plug-in outlets
- Garage door controllers
- Output relays
This platform allows installers to extend system capabilities beyond traditional wired limitations, enabling reliable control of remote devices—like water shutoff valves—without the need for dedicated wiring runs. This approach provides a flexible, professional-grade solution that supports both remote operation and automated responses to critical events such as leaks or freeze conditions.
Application Example: Wireless Water Shutoff Control
The Challenge
A customer requires an automatic water shutoff solution using the ELK-WSV3 Water Shutoff Valve, but there is no practical way to run control wiring from the E27 panel to the valve location (e.g., garage or utility room).
The Solution
Leverage Z-Wave wireless control to eliminate the need for long wire runs:
- Install the shutoff valve with a local power supply
- Use a Z-Wave relay to control the valve wirelessly from the E27 system
A reliable option is the Shelly Wave 1, a UL-certified Z-Wave output relay.
System Components
- ELK-WSV3 Water Shutoff Valve (professional plumbing installation required)
- ELK-P412 Power Supply (installed locally at the valve, powered by existing AC outlet)
- ELK E27 Alarm Engine
- ELK-AEZW Z-Wave Adapter
- Shelly Wave 1
Result:
A fully functional water shutoff valve with local 12V power and wireless Z-Wave control through the E27 system.
Adding Leak Detection
To complete the solution, incorporate wireless water detection:
- ELK-319WA Wireless Water Sensor(s) placed at:
- Water heaters
- Under sinks
- Behind toilets
- Laundry areas
- ELK-AERF3 Wireless Receiver or ELK-AEXRFA3 Wireless Receiver for sensor integration
Automation Logic - Rules Engine
The Rules Engine within the ELK E27 Alarm Engine provides a flexible yet intuitive way to create powerful system automation. Using a simple logic structure—Whenever, And/Or, Then, and optional Else—installers can quickly define how the system should respond to specific conditions or events. This straightforward framework makes basic rules easy to implement, while still supporting highly customized, multi-condition logic for more advanced applications. Whether configuring a single trigger or building layered automation sequences, the Rules Engine delivers the control and scalability needed for tailored installations without unnecessary complexity.
Here are some examples of rules to automate the water shut off valve.
Monitor water sensors and automatically turn water valve off.
WHENEVER House WATER ALARM Any Sensor (Zone) IS ACTIVATED
THEN TURN OFF Z-Wave Relay -WATER Output
Automatically shut water valve off when armed to vacation mode.
WHENEVER House ARM STATUS IS ARMED VACATION BY Any User
THEN TURN OFF Z-Wave Relay -WATER Output
Upon disarm, check water sensor status and if secure, turn water valve back on.
WHENEVER House ARM STATUS IS DISARMED BY Any User
IF THE Basement Water Sensor (Zone) IS SECURE
AND IF THE Laundry Water Sensor (Zone) IS SECURE
AND IF THE Bathroom Water Sensor (Zone) IS SECURE
THEN TURN ON Z-Wave Relay -WATER Output
User Benefits
- Remote Control & Monitoring
Control and monitor the water shutoff valve from anywhere using the ElkConnect app via Wi-Fi or cellular connection. - Real-Time Notifications
Receive instant alerts via push, email, or SMS when a leak is detected. - Automatic Leak Response
The system can automatically shut off the water supply when a leak is detected—helping minimize damage without user intervention. - Freeze Protection
Optional temperature-based rules can shut off water lines during freezing conditions to prevent pipe bursts. - Peace of Mind
Ideal for primary residences and unattended properties such as vacation homes, rental units, or second residences. - Manual Override Anytime
Users can open or close the valve at any time directly from the app or touchscreen. - Reduced Property Damage Risk
Early detection and rapid response help prevent costly water damage and insurance claims. - Seamless Integration
Works as part of a unified security and automation system powered by the ELK E27 Alarm Engine—no need for separate apps or platforms.
Installer Benefits
- Eliminates long wire runs to remote valve locations
- Utilizes existing AC power at the point of installation
- Enables automated protection against water damage
- Ideal for:
- Primary residences
- Vacation homes
- Rental properties / Airbnb
- Retrofit installations
Summary
By combining the ELK E27 Alarm Engine with Z-Wave integration and a wireless relay such as the Shelly Wave 1, installers can deliver a robust, scalable water protection solution without the constraints of hardwired control.
This approach enhances system flexibility while providing end users with both manual control and automated response to water-related events.
