Johnson Controls MP843D001F Valve Actuator Els PW 29614 The assembly is secured with

The assembly is secured with an alumina ceramic insulator to prevent electrical leakage and ensure accurate flame rectification signals to the ignition control module

It functions as a critical safety limit

reducing maintenance overhead in intensive mechanical rooms

also identified by part number 52M4601

Can I replace the internal components without removing the valve body

Johnson Controls MP843D001F Valve Actuator Els PW 29614 The assembly is secured withThe Johnson Controls MP843D001F is a robust pneumatic valve actuator designed for precise proportional control in commercial HVACR systems. Built with a 50 square inch effective diaphragm area, this unit provides the necessary force to modulate valves under high pressure drops. It features a 4 to 8 PSI spring range and a 3 4 inch stroke, ensuring reliable performance in spring return stem up configurations. The housing is engineered for durability in