York S1-HE-69630NS-2D Sensor 322057-301 What is the primary function

What is the primary function of the quick-opening feature

System Efficiency: Restores peak efficiency by ensuring the air flapper closes completely during the combustion cycle

ensuring accurate sensing of suction line temperatures

If your unit was originally equipped with an electronic control

York S1-HE-69630NS-2D Sensor 322057-301 What is the primary functionThe York S1 HE 69630NS 2D Sensor is a precision dual purpose duct mount humidity sensor and temperature transmitter engineered for seamless integration with Johnson Controls (JCI) economizer systems and rooftop units. This OEM York HVAC part features a high performance humidity element capable of sensing 0 to 100% RH with an accuracy of 3% or 5% (depending on the range), crucial for calculating enthalpy and maintaining demanding indoor air quality