Ener J Smart Thermostatic Radiator Valve, No Hub Needed, APP & Voice Control

SMART MULTI-ROOM HEATING: Take total control of your home’s climate. Using the ENERJSMART app, you can manage individual radiators from anywhere. Stop wasting money heating empty rooms; only heat the spaces you are using for maximum efficiency and comfort. VOICE-ACTIVATED CONVENIENCE: Fully compatible with Amazon Alexa and Google Assistant. Simply say, "Alexa, set the living room to 21 degrees" for hands-free temperature adjustments. Perfect for a seamless, modern smart home experience. AUTOMATED ENERGY SAVING: Features advanced Open Window Detection—the valve automatically turns off the heating if a sudden drop in temperature is detected, preventing energy waste. Combined with a Weekly Programmable Schedule, users can save up to 30% on annual heating bills. EASY DIY INSTALLATION: No plumbing experience or special tools required. Simply unscrew your existing manual thermostatic head and replace it with the ENER-J Smart Valve. The universal M30 x 1.5mm thread ensures compatibility with most standard UK radiator valves. ADVANCED SAFETY & PROTECTION: Built for longevity with an Anti-Scale Function that prevents mineral buildup and Frost Protection to stop pipes from freezing in winter. Includes a Child Lock feature to prevent accidental setting changes by little hands.