meaning it will restore the circuit once the sensed pressure rises back above the set point plus the differential

dependable on/off contact for control circuit continuity

Durable Construction: High-grade materials designed to withstand the corrosive environment of flue gas exhaust

High-Voltage Precision: Optimized for 480V 60Hz systems commonly found in industrial and heavy-commercial HVAC environments

Key Benefits Safe Indoor Venting: The included 12A09 vent limiter eliminates the labor-intensive requirement for external vent lines by limiting gas escapement to safe

Johnson Controls P29NC-49 Pressure Control 30067439-890 meaning it will restore theThe Johnson Controls P29NC 49 is a specialized low pressure cutout control designed for heavy duty protection in industrial and commercial refrigeration systems. Built for the veteran technician, this unit features a manual reset mechanism to ensure that equipment remains locked out until a manual inspection is performed following a low pressure event. The 120 second time delay is factory calibrated to mitigate nuisance shutdowns caused by temporary