Operational Accuracy: Balanced metal diaphragms provide frictionless movement for stable delivery pressure even under varying inlet conditions

Is this control compatible with R-410A or R-134a

the 920663A utilizes a balanced port design to provide stable control across varying ambient temperatures and load conditions

so verify total load carefully

Carrier KR11AE514 Blower Pulley 323613-751 Operational Accuracy: Balanced metal diaphragmsThe Carrier KR11AE514 Blower Pulley is a precision engineered OEM replacement part designed for high demand HVAC air handling assemblies. Built from heavy duty steel composition, this blower drive pulley facilitates efficient torque transfer from the motor shaft to the blower wheel, ensuring consistent volumetric airflow across the evaporator or heat exchanger. With a weight of 2. 63 lbs and dimensions approximately 5. 43" in diameter, it maintains