This single-speed blower accessory features a fully automatic fan switch

allowing for precise airflow adjustment based on static pressure requirements

If the system stays in a "low water" lockout despite adequate levels

For peak HVAC component reliability

What causes these igniters to fail

Carrier HC95XX020 Thermistor 319847-401 This single-speed blower accessory featuresThe Carrier HC95XX020 Thermistor is a critical OEM Start Thermistor designed for high precision inrush current management within residential and commercial HVAC systems. As a Factory Authorized Part, this component is engineered to provide a reliable start assist for Carrier, Bryant, and Payne compressors. By sensing temperature induced resistance changes (typically 10k ohms at 25C), it protects the compressor startup cycle and optimizes the