you can easily adapt it for 4-20 mA proportional control by adding a field-furnished 500-ohm resistor across the input terminals

While the 3/4" threading may match

Optimized Flow Performance: A 7

To prevent furnace short cycling or nuisance "no-flame" error codes

ensuring high durability and resistance to scaling in closed-loop hydronic systems

Carrier AW01DA053 Key 323055-751 you can easily adapt itThe Carrier AW01DA053 Key is a specific OEM replacement shaft key designed for heavy duty HVACR applications, ensuring the mechanical integrity of blower wheels and fan motors. This 1. 5 inch square key is engineered to the precise tolerances required for Carrier, Bryant, and Payne packaged units and split systems. Its robust metal construction provides the necessary shear strength to maintain a secure connection between the drive shaft and the hub,