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Integrated Dual-Function: Combines the hot surface ignitor and flame sensor into one HSI/flame sensor assembly for faster diagnostic and installation times
Restores original equipment performance and operation
or if the pilot stays lit after the call for heat is satisfied
though you should always verify the specific system cutout requirements against the 100-425 psi range
or when a system has been upgraded with longer refrigerant piping that increases initial load
Reznor 271994 Sensor 320819-301 Integrated Dual-Function: Combines the hotThe Reznor 271994 Averaging Temperature Sensor is a critical OEM replacement part engineered for precise thermal feedback in mixed air and cooling coil applications. Featuring a 36 inch length, this YD B type sensor is designed to mitigate the effects of stratified airflow by measuring the temperature across a wider cross section of the duct. This ensures the HVAC controller receives an accurate average reading rather than a localized "hot" or "cold"