WARMUP Onyx Black Smart Thermostat for Underfloor Heating System

The 4iE is a smart thermostat that works with you to provide an optimal, cost-effective and energy-efficient heating system. For use with electric underfloor heating systems and electric baseboard heat. The 4iE does not require programming and uses Warmup's latest technologies to ensure your home is always at the desired temperature, at the right time.Energy-efficient thermostat4iE does not require programming and uses Warmup's latest technologies to ensure your home is always at the desired temperature, at the right timePortraitOnyx blackWi-Fi not included, see 4iE-04 model for Wi-Fi upgradeWith GFCIWorks with 120-Volt or 240-VoltComes with a sensor probe and instructions