Shelly BLU TRV Starter Kit (TRV, Door/Window Sensor, Gateway)
Overview
The Shelly BLU TRV Starter Kit is a complete smart heating bundle designed to optimise radiator control while reducing energy waste. The kit includes:
• Shelly BLU TRV – a smart thermostatic radiator valve for precise room temperature control
• Shelly BLU Door/Window Sensor – detects open windows or doors to prevent wasted heating
• Shelly BLU Gateway Gen3 – bridges Bluetooth devices to Wi-Fi for remote control and automation
Together, these components allow your heating system to automatically adjust based on temperature and room conditions, ensuring comfort while improving efficiency.
Key Features
• Complete starter kit: BLU TRV + BLU Door/Window + BLU Gateway Gen3
• Bluetooth-operated devices with Wi-Fi control via included gateway
• BLU TRV: Precise temperature control (±0.1 °C)
• BLU TRV: Boost mode for rapid room warm-up
• BLU TRV: Smart scheduling for daily heating routines
• BLU Door/Window: Automatically reduces heating when a window or door is opened
• Seamless integration between BLU devices via the gateway
• Compatible with most smart home platforms
• Gateway powered via USB-A (>5 W power source required)
• All devices supplied with batteries
Technical Specifications
Shelly BLU TRV (Smart Radiator Valve)
Physical
Size (H × D): 78 × Ø54 mm
Weight: 107 g
Mounting: M30 / 15
Mounting ring material: Nickel-plated brass
Shell material: Plastic
Shell colour: White
Environmental
Ambient working temperature: -20 °C to +60 °C
Humidity: 25% to 80% RH
Electrical
Power supply: 2 × AA batteries, 1.5 V (included)
Estimated battery life: Up to 2 years
Sensors
Temperature sensor: Yes
Shelly BLU Door/Window Sensor
Functionality
Detects door or window open/close events
Used to trigger heating reduction or shut-off when ventilation is detected
Power
Battery-powered (included)
Connectivity
Bluetooth communication to BLU Gateway Gen3
Shelly BLU Gateway Gen3
Functionality
Acts as a Bluetooth-to-Wi-Fi bridge for Shelly BLU devices
Enables remote access, automations, schedules, and app control
Power
USB-A powered (≥5 W power source required)
Connectivity (Applies to BLU Devices)
Bluetooth
Protocol: Bluetooth 5 (LE)
RF band: 2402–2480 MHz
Max RF power: < 8 dBm
Range:
• Up to 10 m indoors
• Up to 30 m outdoors (line of sight)
Firmware Capabilities
Schedules: Yes
Encryption: AES (CCM mode)
Installation Notes
• Gateway is required and included
• BLU devices communicate via Bluetooth to the gateway
• Gateway provides Wi-Fi connectivity and remote access
• Door/window sensor enables automatic heating optimisation
• Designed for standard M30 radiator valves
In the Box
• Shelly BLU TRV smart thermostatic radiator valve
• Shelly BLU Door/Window sensor
• Shelly BLU Gateway Gen3
• Batteries for all devices
• Quick start documentation