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Direct-Digital-Control (DDC) Pneumatic Thermostats
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Direct-digital-control (DDC) pneumatic thermostats provide remote temperature monitoring and control using an existing pneumatic system. They replace older, manual, pneumatic thermostats and connect to the same air lines, so there's no need for costly renovations. Users can program the thermostat, giving them more control over the heating and cooling system than with a manual unit. DDC thermostats do not have any mechanical parts, so they don't require the maintenance and recalibration of standard pneumatic thermostats. They communicate with building automation systems with a required gateway. These thermostats install in older construction commercial buildings with existing pneumatic systems, such as schools and hospitals.