Johnson Controls DMPR-KC211 Jackshaft 30067439-890 Common failure points include pitted

Common failure points include pitted or "welded" contacts that keep the outdoor unit running indefinitely

including various CHA and CVP evaporator coil assemblies using R-22 or R-407C refrigerants

This probe is designed to work with conductivity-based controllers

while the iconic PopTop design allows for the actuator to be replaced or serviced without breaking the piping

this part is specifically cataloged for Aaon equipment maintenance

Johnson Controls DMPR-KC211 Jackshaft 30067439-890 Common failure points include pittedThe Johnson Controls DMPR KC211 is a high performance 2 panel damper jackshaft kit engineered for precise torque transmission in commercial HVAC air handling systems. Designed with a 1 inch diameter jackshaft, this kit ensures structural rigidity and eliminates shaft slippage during high velocity airflow conditions. As the direct replacement for DMPR KC205, the DMPR KC211 facilitates a seamless retrofit, maintaining compatibility with existing damper