Will this work with older R-22 systems

pressure regulator setting and top-access wiring terminals

the DMPR-RS312 is the official replacement part for the DMPR-RS202 and is designed to fit the same bracketry and linkage systems

Broad Application: Suitable for a wide range of HVAC motor run capacitor applications requiring 50 microfarad capacitance

Schneider Electric (Barber Colman) AM-125 Damper Rod Will this work with olderThe Schneider Electric (Barber Colman) AM 125 Damper Rod is a critical hardware component for HVAC damper linkage assemblies, designed to provide rigid mechanical connection between damper actuators and shaft crank arms. Measuring 5 16" diameter x 20" length, this zinc plated steel rod offers high corrosion resistance and structural integrity for reliable airflow control in high cycle commercial environments. As a direct replacement for Barber Colman