Nordyne 624345R Outdoor Thermostat

The Nordyne 624345R Outdoor Thermostat is a temperature-sensing control component used in residential and light commercial HVAC systems such as split air conditioners and heat pump systems. It monitors outdoor ambience and sends control signals to the system to regulate heating or cooling operation based on preset conditions. The unit operates through a temperature-responsive sensing element that triggers electrical contacts when specific thresholds are reached. It is mounted externally on the building surface for accurate exposure to outdoor air. it improve efficiency by preventing supporting proper compression.