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This OEM York replacement part is engineered for a direct fit on specific system models like the J03ZFN04N2AZZ10003
this specific model is designed for low-pressure applications
As a veteran-grade HVAC pneumatic connector
verifying the fan blade rotation and bore size is critical for field installation
High-Temperature Durability: The Kanthal flame rod material and Teflon-insulated lead wire are rated for extreme heat cycles
Siemens Building Technology QFM2171 326070-701 This OEM York replacement partThe Siemens Building Technology QFM2171 is a high performance duct relative humidity and temperature sensor designed for integration into commercial HVAC systems. This Q Series duct sensor utilizes a 4 20mA output signal for both RH and temperature, providing stable and precise data transmission even over long wire runs. Engineered for 5% accuracy, the QFM2171 is ideal for BAS (Building Automation Systems) that require reliable monitoring of supply,