HONEYWELL BY RESIDEO BLACK ON/OFF THERMOSTAT - DT40BT22

The Honeywell Home DT4 wired room thermostat (DT40BT22) offers precise and intuitive temperature control, compatible with boilers, heat pumps, and underfloor heating. Featuring a clear LED display, Eco mode with ±3°C offset, and Fuzzy Logic technology for stable and efficient regulation. Easy wall installation, powered by 2 long-life AA batteries (included). Modern design, ErP IV class, and eligible for tax deductions. Included in the box: DT4 thermostat, batteries, instructions.