Carrier VSACC0402 Duct Sensor

The Carrier VSACC0402 Duct Sensor is a high-precision 10k ohm thermistor designed for accurate air temperature monitoring in both residential and commercial HVAC applications. As a direct replacement for the legacy VSACC0435 duct sensor, this unit ensures seamless point-to-point compatibility without requiring controller reconfiguration. The sensor features a 5-foot plenum-rated cable and a durable stainless steel probe, making it ideal for discharge air temperature sensing or return air monitoring within the ductwork. Its NTC Type II 77°F (25°C) resistance curve provides exceptional reliability for building automation systems (BAS) and standalone thermostats that require a remote 10k signal.

For veteran technicians, the VSACC0402 HVAC sensor offers a rugged solution to common field issues like signal drift or moisture ingress. The probe is engineered for remote duct temperature sensing in high-velocity airflows, utilizing a secure mounting grommet to prevent vibration-induced lead failures. Whether you are performing a Carrier sensor replacement or commissioning a new multi-zone system, this 10k thermistor duct mount sensor delivers the linear response and thermal sensitivity needed for tight environmental control and efficient compressor modulation.

• Direct Fit: Serves as the official replacement for the VSACC0435, ensuring identical electrical characteristics and physical dimensions.
• Plenum Rated: Equipped with a 5-foot plenum cable suitable for installations within air handling spaces.
• Technical Precision: High-accuracy interchangeable thermistor reduces the need for manual calibration at the controller.
• Versatile Application: Can be utilized as a remote room sensor when mounted discreetly outside the duct or as a standard supply air sensor.

Is the VSACC0402 compatible with existing VSACC0435 mounting holes?
Yes, as the direct successor, the probe diameter and mounting requirements are identical, allowing for a fast swap-out during maintenance calls.

What is the resistance value at room temperature?
This is a standard 10k ohm Type II thermistor, measuring 10,000 ohms at 77°F (25°C).

Can this sensor be used for water temperature sensing?
No, this is a dry-application duct sensor. For fluid monitoring, an immersion-style thermistor with a dedicated thermowell is required.

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.