The Honeywell T4H110A1021 Programmable Thermostat offers 7-day programming options with the flexibility to choose 1-day or 5+2-day settings. This white, square-shaped thermostat is powered by AA batteries and features a 2-wire wire configuration for easy installation. Designed for use with combi-boilers and gas boilers, it also offers smart home compatibility for universal control. With its push-button control style and temperature sensor technology, this programmable thermostat by Honeywell provides efficient heating and cooling management for any home. need in box but box has been opened
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