Description
The Honeywell C7021C2003 is a precision NTC (Negative Temperature Coefficient) Type II temperature sensor engineered for duct discharge applications in commercial and light commercial HVAC systems. With an 18-inch insertion probe, this sensor is designed to accurately measure supply or discharge air temperatures across a wide operating range, delivering reliable feedback to building automation systems and air handling unit controllers.
Key Features
- NTC Type II thermistor technology for accurate, stable temperature sensing
- 10k Ohm resistance at 77°F (25°C) for compatibility with a wide range of controllers
- Wide temperature sensing range of -40°F to 250°F (-40°C to 121°C)
- 18-inch insertion length for effective duct averaging in medium to large duct applications
- Designed specifically for duct discharge and supply air temperature measurement
- Compatible with Honeywell and other building automation controllers that accept 10k Type II NTC inputs
- Durable construction suitable for demanding HVAC environments
Application
The C7021C2003 is ideal for monitoring discharge air temperatures in air handling units, fan coil units, and rooftop units. It provides the accurate temperature data needed for economizer control, discharge air reset strategies, and general HVAC system monitoring. The 18-inch probe ensures the sensor tip is positioned well within the airstream for representative readings.
Specifications
- SKU / Part Number: C7021C2003
- Sensor Type: NTC Type II Thermistor
- Resistance: 10k Ohm
- Temperature Range: -40°F to 250°F (-40°C to 121°C)
- Insertion Length: 18 inches
- Application: Duct Discharge / Supply Air
- Brand: Honeywell
Why Choose the Honeywell C7021C2003?
Honeywell’s C7021 series sensors are trusted throughout the HVAC industry for their accuracy and long-term reliability. The Type II NTC thermistor element is a widely accepted standard, ensuring seamless integration with most commercial control platforms. Whether you are commissioning a new system or replacing a failed sensor, the C7021C2003 delivers consistent performance and peace of mind.
