Resideo ST9103A1002 Electronic Fan Timer 30 Seconds Dely

The Resideo ST9103A1002 Electronic Fan Timer is a control device that is used to control the fan in HVAC systems. The timer has a 30-second delay-on function to guarantee the ignition and combustion before it turns on the fan. The delay-off may be adjusted to 60, 90, 120, or 150 seconds to enhance heat dissipation and quality of air indoors. Thus, accurate control of the fan operation contributes to the prevention of equipment wear, enhances the system’s reliability, and results in energy saving. Mounted and functioning at the temperature range of -40°F to 150°F, it provides a consistent performance irrespective of the climate conditions.