Carrier HF91BB125 Ball Joint while the 237 Ohm resistor

while the 237 Ohm resistor is connected across terminals B and R to facilitate the 4-20 mA signal conversion

this collar shaft kit provides a durable solution for restoring precise airflow control and linkage alignment in older commercial air handling units

making it an ideal fit for tight electrical housings in condensing units and blower motors

Universal Compatibility: Standard 5/16" hole accommodates common HVAC damper rods and crank arms

Utilizing a Maxitrol replacement spring allows contractors to modify gas pressure settings without replacing the entire valve body

Carrier HF91BB125 Ball Joint while the 237 Ohm resistorThe Carrier HF91BB125 is a high precision swivel ball joint engineered for critical damper linkage connections within residential and commercial HVACR systems. As a veteran technician knows, the integrity of your linkage assembly determines the accuracy of your airflow control. This OEM Carrier part features a 1 4" x 5 16" configuration, providing the necessary articulation for actuator rod adjustments. Built with a robust alloy, it is designed to