Carrier RC6800540 Thermistor

If you are troubleshooting a Carrier HVAC system that is short-cycling or failing to maintain setpoints, the Carrier RC6800540 Thermistor is the critical OEM replacement part needed to restore precision performance. This SCT-A temperature sensor is engineered as the direct replacement for 48EJ403481, ensuring a perfect drop-in fit for specific furnace and air conditioning unit applications. As a veteran technician knows, maintaining the integrity of the control board logic depends entirely on accurate resistance readings from these thermal sensors. The RC6800540 provides high-precision monitoring of temperature variations, transmitting real-time data to the system's processor to optimize the cooling and heating cycles. Built as a Factory Authorized Part, it meets rigorous industrial tolerances for refrigeration and air conditioning environments, preventing common equipment malfunctions such as frozen coils or compressor overheating. Relying on this genuine Carrier thermistor ensures your HVAC equipment operates at peak efficiency while maintaining critical agency safety listings.

• Direct OEM Compatibility: Specifically designed to replace antiquated or failing 48EJ403481 thermistors without modification.
• High-Accuracy Sensing: Delivers precise resistance-to-temperature conversion essential for inverter compressor modulation and fan speed control.
• Robust Construction: Engineered to withstand the harsh moisture and temperature fluctuations found inside commercial and residential HVAC cabinets.
• System Protection: Helps trigger safety shutdowns and prevents ice accumulation on evaporator coils by providing accurate thermal feedback.

• Will this fix an EC52 or F1 error code? Yes, these codes often indicate a failure in the outdoor or indoor coil sensors; replacing a faulty sensor with the RC6800540 typically resolves these communication errors.
• Can I use this in place of 48EJ403481? Absolutely. This part is the direct Factory Authorized successor for that legacy thermistor model.
• Does this include the wiring harness? This SCT-A sensor is a complete assembly designed for standard plug-and-play installation into the existing sensor housing.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.