Description
The Carrier HH79ZZ007 is a factory-replacement Outdoor Air Temperature (OAT) thermistor sensor engineered for use with compatible Carrier HVAC systems. Designed to provide precise, real-time outdoor ambient temperature data, this sensor plays a critical role in system efficiency — enabling the control board to make accurate decisions for heating, cooling, and economizer operation.
Product Overview
This OAT thermistor sensor is a direct OEM replacement part from Carrier, ensuring seamless compatibility and reliable performance in the field. Thermistor-based sensors offer fast response times and stable readings, making them ideal for demanding HVAC control applications where accurate outdoor temperature monitoring is essential.
Key Features
- OEM Carrier replacement part — direct fit for compatible systems
- Thermistor-type sensor for accurate outdoor air temperature measurement
- Supports proper system staging, economizer control, and demand-based operation
- Designed for outdoor installation with durable construction
- Helps optimize system efficiency by providing reliable ambient temperature data to the control board
Applications
- Carrier residential and light commercial HVAC systems requiring OAT sensing
- Economizer control and free-cooling applications
- Replacement of failed or damaged outdoor air temperature sensors
Why Choose OEM Carrier Parts?
Using genuine Carrier replacement components like the HH79ZZ007 ensures your system operates within factory specifications. OEM parts eliminate compatibility guesswork, reduce callback risk, and help maintain equipment warranties — giving both technicians and building owners peace of mind.







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