ENER-J Smart WiFi Radiator Thermostat - Digital TRV Valve for Multi-Room Heating Control, Save Energy & Costs, Works with Alexa & Google Assistant, Open Window Detection, DIY Easy Installation

• 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.

Precision Heating Control for the Energy-Conscious Home The ENER-J Smart Radiator Thermostat (TRV) is the ultimate tool for modernizing your central heating system. By replacing your standard manual valves with these intelligent digital controllers, you transition from a "one-size-fits-all" heating approach to precision zonal control. Whether you want your home office warm by 8 AM or your bedroom cooled down for sleep, the ENERJSMART app puts a digital thermostat in the palm of your hand. Smarter Features for Smarter Savings In 2026, efficiency is everything. This TRV goes beyond simple on/off functions. It features a high-accuracy internal air sensor (0.5°C display accuracy) and intelligent logic that learns how your rooms heat up. The integrated Open Window Detection acts as a safety net for your wallet, ensuring you never "heat the street" while airing out a room. With the 7-day weekly programming, you can align your home’s warmth exactly with your lifestyle routines. Safety, Durability, and Style Designed with a compact, minimalist aesthetic (58.4mm width), the ENER-J valve fits discreetly onto any radiator. It is engineered for reliability, featuring an anti-scale cycle that moves the valve periodically to prevent it from seizing. Powered by 3x AA batteries (not included), it offers long standby times and low-power consumption. From frost protection to a secure child lock, every feature is designed to provide a "set-and-forget" heating solution that keeps your home comfortable and your bills low.