Johnson Controls MP843D001F Valve Actuator R-410A Critical for maintaining factory efficiency

Critical for maintaining factory efficiency ratings and safe CO emissions levels

While the factory setting is 29 psig

this 100208175 high limit switch prevents catastrophic heat exchanger damage by interrupting the burner circuit during an overheat condition

System Protection: Provides essential high-limit detection to prevent heat exchanger damage and hazardous operating conditions

the current switch is induced directly from the monitored conductor

Johnson Controls MP843D001F Valve Actuator R-410A Critical for maintaining factory efficiencyThe 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