SONOFF Zigbee Thermostatic Radiator Valve

A smart heating upgrade that attaches to your radiator valve, enabling temperature control from your phone, powered by Zigbee, and loaded with eco-smart features. Smart Heating Control: Adjust room temperature via app, voice (Alexa/Google), or set schedules, perfect for automating your home comfort. Open-Window Detection: Stops heating when it senses a sudden temperature drop, preventing energy waste. Fits Standard Valves: Compatible with M30×1.5 mm radiator heads, including adapters for most manufacturers. Child Lock & Frost Protection: Prevents accidental changes and keeps heating active enough to protect against frozen pipes. Group & Scene Integration: Combine valves into groups or use with sensors to automate heating routines based on presence or temperature. Quick Specs Model: TRVZB | Power: 4.5 V DC (3× AA batteries) | Connection: Zigbee 3.0 | Temp Range: 4 °C–35 °C | Operating Temp: 0 °C–60 °C | Dimensions: 59.4 × 59.4 × 95 mm