making it suitable for high-demand industrial and commercial hydronic systems

Specifically engineered for heavy-duty compressor short-cycling protection

it is engineered for seamless integration into existing liquid lines

Common Questions What is the difference between F1-F2 and M1-M2 terminals on this model

Johnson Controls D-3246-5100 Damper Actuator Refrigerant making it suitable for high-demandThe Johnson Controls D 3246 5100 is a heavy duty pneumatic damper actuator designed for precise modulation in demanding HVACR environments. Engineered as a direct replacement for the D 251 Number 6 on Trane Centravac chillers, this unit features a robust die cast aluminum body and a 23. 4 sq. in. effective diaphragm area. Operating within an 8 13 psi spring range, it delivers a consistent 6 inch stroke to manage airflow or fluid bypass effectively.