The Honeywell ST9400C Electronic Programmer is a programmable thermostat with a 7-day schedule and 2 channels for power source. It offers 3 on/off periods per day and is compatible with models such as central heating radiators, heat pumps, and underfloor heating systems. This white rectangular-shaped thermostat is wall-mounted and features a digital display, timer, and vacation mode. With its push-button control style and 6-wire wire configuration, this programmable thermostat from Honeywell is a convenient and efficient choice for home heating and cooling systems.
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