Carrier 30GB660002 Thermister R 410A Key Benefits: Precise Signal Reversal: Key Benefits: Precise Signal Reversal: Specifically calibrated for 9 psi crossover applications to ensure accurate reverse acting control signals Flexible Restrictor Options: Supports multiple SCIM flows (25 or 45) to match specific HVAC system troubleshooting requirements and branch line lengths This factory authorized part is essential for technicians performing routine maintenance or troubleshooting thermistor resistance to temperature faults in 30GNP and 30HWA equipment Resistance testing with a multimeter should reveal roughly 16K Ohms at 32°F or 10K Ohms at 77°F