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including glycol-based systems
Critical Safety Protection: Provides immediate shutdown during a blocked vent condition to prevent hazardous flue gas spillage into the space
Key Benefits Direct OEM Compatibility: Engineered as a drop-in replacement for Carrier HC680001B and multiple historic part numbers
Leak-Proof Seal: Features a high-grade elastomer O-ring to prevent gas bypass and ensure system safety
Johnson Controls D-3153-7 Damper Actuator 30067439-890 including glycol-based systemsThe Johnson Controls D 3153 7 is a heavy duty pneumatic damper actuator engineered for precise positioning of large dampers in commercial HVAC systems. This piston style actuator features a 15 inch effective diaphragm area and a 3 inch stroke, delivering high torque output for reliable airflow modulation. Built with a rugged die cast aluminum body, it operates on a 0 20 psig control air pressure range and utilizes an 8 13 psi spring range for fail
