Reliable Flame Sensing: Utilizes remote flame sensing technology via a dedicated sensor lead for more accurate flame detection compared to internal sensing models

Class FB indicates a higher level of insulation capable of withstanding significant heat

facilitating accurate pneumatic signal response and actuator stroke control without unnecessary downtime during retrofit or repair operations

minimizing pressure drop while maintaining a tight shut-off in critical flow paths

Johnson Controls D-3246-2 Damper Actuator 30067439-890 Reliable Flame Sensing: Utilizes remoteThe Johnson Controls D 3246 2 is a heavy duty pneumatic damper actuator engineered for precise control of large dampers in commercial HVAC systems. This swivel mounted piston style actuator features a 6 inch stroke and a 23. 4 square inch effective diaphragm area, delivering reliable linear motion within an 8 13 psi spring range. To ensure high accuracy positioning especially in high velocity airflow or high friction applications, this model includes