Carrier HH79NZ043 Sensor
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Carrier HH79NZ043 Sensor

Carrier HH79NZ043 Sensor

The Carrier HH79NZ043 Supply Air Temperature Sensor is a critical OEM component designed for high-precision thermal monitoring within the supply air ductwork of commercial and residential HVAC systems. Engineered as a thermistor-based sensor, this device provides real-time data to the HVAC control board, allowing for optimized staging of variable-speed and two-stage furnaces. With a measurement range of -40 to 140°F and an accuracy of ±2°F, it ensures the system maintains stable discharge temperatures, preventing short-cycling and protecting equipment from overheating or freezing coils.

Built for direct integration with Carrier i-Flex digital Comfort Systems and air handling units, the HH79NZ043 sensor features a durable probe construction capable of withstanding high-velocity airflow and fluctuating moisture levels within the plenum. This genuine Carrier replacement part is essential for contractors troubleshooting supply air temperature errors (such as HF32 codes) or those needing to calibrate blower motor speeds based on real-time delta-T calculations. The 24 VAC electrical connection and 10-second response time make it a standard for professional technicians seeking reliable HVAC temperature control performance.

Key Benefits for Technicians
  • Precise Thermal Feedback: Provides accurate duct temperature data to expansion boards for modulating blower speeds and heating/cooling output.
  • OEM Compatibility: Designed specifically as a direct replacement sensor for Carrier and Bryant air handlers, ensuring seamless pin-to-pin installation.
  • System Protection: Acts as a primary safeguard against excessive supply air temperatures, reducing mechanical stress on the heat exchanger.
  • Enhanced Efficiency: Facilitates proper airflow distribution and consistent climate control, leading to reduced energy consumption and operational costs.
Common Questions

What are the symptoms of a failing HH79NZ043 sensor?
Technicians typically observe erratic blower behavior, inconsistent discharge air temperatures, or specific fault codes on the control board or thermostat indicating the sensor is out of its calibrated resistance range.

Can this sensor be used with variable speed furnaces?
Yes, the Carrier HH79NZ043 is specifically engineered to communicate with the advanced logic boards found in multi-stage and variable-speed systems for precise throttle adjustment.

Where should the sensor be mounted for the best accuracy?
For optimal performance, the sensor should be mounted in the supply air plenum downstream of the evaporator coil or heat exchanger, but away from dead zones to ensure a representative sample of conditioned airflow.

This item is not eligible for free shipping.

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.

$47.73

Original: $136.37

-65%
Carrier HH79NZ043 Sensor

$136.37

$47.73

Carrier HH79NZ043 Sensor

The Carrier HH79NZ043 Supply Air Temperature Sensor is a critical OEM component designed for high-precision thermal monitoring within the supply air ductwork of commercial and residential HVAC systems. Engineered as a thermistor-based sensor, this device provides real-time data to the HVAC control board, allowing for optimized staging of variable-speed and two-stage furnaces. With a measurement range of -40 to 140°F and an accuracy of ±2°F, it ensures the system maintains stable discharge temperatures, preventing short-cycling and protecting equipment from overheating or freezing coils.

Built for direct integration with Carrier i-Flex digital Comfort Systems and air handling units, the HH79NZ043 sensor features a durable probe construction capable of withstanding high-velocity airflow and fluctuating moisture levels within the plenum. This genuine Carrier replacement part is essential for contractors troubleshooting supply air temperature errors (such as HF32 codes) or those needing to calibrate blower motor speeds based on real-time delta-T calculations. The 24 VAC electrical connection and 10-second response time make it a standard for professional technicians seeking reliable HVAC temperature control performance.

Key Benefits for Technicians
  • Precise Thermal Feedback: Provides accurate duct temperature data to expansion boards for modulating blower speeds and heating/cooling output.
  • OEM Compatibility: Designed specifically as a direct replacement sensor for Carrier and Bryant air handlers, ensuring seamless pin-to-pin installation.
  • System Protection: Acts as a primary safeguard against excessive supply air temperatures, reducing mechanical stress on the heat exchanger.
  • Enhanced Efficiency: Facilitates proper airflow distribution and consistent climate control, leading to reduced energy consumption and operational costs.
Common Questions

What are the symptoms of a failing HH79NZ043 sensor?
Technicians typically observe erratic blower behavior, inconsistent discharge air temperatures, or specific fault codes on the control board or thermostat indicating the sensor is out of its calibrated resistance range.

Can this sensor be used with variable speed furnaces?
Yes, the Carrier HH79NZ043 is specifically engineered to communicate with the advanced logic boards found in multi-stage and variable-speed systems for precise throttle adjustment.

Where should the sensor be mounted for the best accuracy?
For optimal performance, the sensor should be mounted in the supply air plenum downstream of the evaporator coil or heat exchanger, but away from dead zones to ensure a representative sample of conditioned airflow.

This item is not eligible for free shipping.

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.

Product Information

Shipping & Returns

Description

The Carrier HH79NZ043 Supply Air Temperature Sensor is a critical OEM component designed for high-precision thermal monitoring within the supply air ductwork of commercial and residential HVAC systems. Engineered as a thermistor-based sensor, this device provides real-time data to the HVAC control board, allowing for optimized staging of variable-speed and two-stage furnaces. With a measurement range of -40 to 140°F and an accuracy of ±2°F, it ensures the system maintains stable discharge temperatures, preventing short-cycling and protecting equipment from overheating or freezing coils.

Built for direct integration with Carrier i-Flex digital Comfort Systems and air handling units, the HH79NZ043 sensor features a durable probe construction capable of withstanding high-velocity airflow and fluctuating moisture levels within the plenum. This genuine Carrier replacement part is essential for contractors troubleshooting supply air temperature errors (such as HF32 codes) or those needing to calibrate blower motor speeds based on real-time delta-T calculations. The 24 VAC electrical connection and 10-second response time make it a standard for professional technicians seeking reliable HVAC temperature control performance.

Key Benefits for Technicians
  • Precise Thermal Feedback: Provides accurate duct temperature data to expansion boards for modulating blower speeds and heating/cooling output.
  • OEM Compatibility: Designed specifically as a direct replacement sensor for Carrier and Bryant air handlers, ensuring seamless pin-to-pin installation.
  • System Protection: Acts as a primary safeguard against excessive supply air temperatures, reducing mechanical stress on the heat exchanger.
  • Enhanced Efficiency: Facilitates proper airflow distribution and consistent climate control, leading to reduced energy consumption and operational costs.
Common Questions

What are the symptoms of a failing HH79NZ043 sensor?
Technicians typically observe erratic blower behavior, inconsistent discharge air temperatures, or specific fault codes on the control board or thermostat indicating the sensor is out of its calibrated resistance range.

Can this sensor be used with variable speed furnaces?
Yes, the Carrier HH79NZ043 is specifically engineered to communicate with the advanced logic boards found in multi-stage and variable-speed systems for precise throttle adjustment.

Where should the sensor be mounted for the best accuracy?
For optimal performance, the sensor should be mounted in the supply air plenum downstream of the evaporator coil or heat exchanger, but away from dead zones to ensure a representative sample of conditioned airflow.

This item is not eligible for free shipping.

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.

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