Carrier TSTATXXSEN01B Temperature Sensor

The Carrier TSTATXXSEN01B Outdoor Temperature Sensor is a critical OEM replacement part designed for integration with Infinity, Edge, and Comfort series thermostats. Identical in specification and function to the TSTATXXSEN01, this thermistor-based sensor provides the precise ambient air data required for dual-fuel heat pump balance point control and automatic humidity adjustment. By monitoring real-time outdoor conditions, it allows the control board to optimize staging and defrost cycles, ensuring the system operates at peak thermal efficiency rather than relying on estimated local weather data.

Engineered for high-accuracy resistance signaling, the TSTATXXSEN01B features a rugged, weather-resistant housing intended for northern or western exposure mounting to prevent solar load interference. This Carrier HVAC temperature sensor is essential for contractors looking to restore factory-spec performance in residential split systems and light commercial packages. Utilizing a genuine Carrier outdoor sensor ensures linear voltage response and prevents the "sensor out of range" faults often triggered by low-quality aftermarket equivalents.

• Universal Compatibility: Direct OEM outdoor temperature sensor replacement for all Carrier, Bryant, and Payne systems requiring a 10k ohm or equivalent thermistor.
• Enhanced System Logic: Enables outdoor temperature lockout features to prevent inefficient heat pump operation during extreme cold.
• Precise Calibration: Factory-tested for tight tolerance resistance values to ensure 1:1 communication with the Carrier thermostat.
• Durable Construction: UV-stabilized casing with lead-wire leads designed to withstand moisture and extreme thermal cycling.
• Verified OEM Specs: Maintains the integrity of the original system design and diagnostic accuracy.

Is the TSTATXXSEN01B compatible with older Carrier TSTATXXSEN01 installations?
Yes, the TSTATXXSEN01B is the direct functional successor and is fully interchangeable with the TSTATXXSEN01 model, utilizing the same mounting footprint and wiring terminals.

Where is the optimal mounting location for this outdoor sensor?
For maximum accuracy, the sensor should be mounted on the north side of the structure, away from exhaust vents, dryer ducts, or direct sunlight, which can artificially inflate temperature readings and disrupt system staging.

Does this sensor require a separate power supply?
No, the TSTATXXSEN01B is a passive thermistor that draws its low-voltage signal directly from the S1 and S2 (or OAT) terminals on the thermostat or furnace control board.

Safety Information:
?? California Proposition 65 Warning: This product contains materials known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

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.