This specific limit control is designed as a safety cut-off

OEM Engineering: Guaranteed SPST toggle performance to match factory wiring diagrams

the exclusive fault recall button allows for rapid retrieval of previous error codes

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

Thermal Stability: Heavy-duty construction handles consistent thermal cycling without signal degradation

Johnson Controls P29NC-49 Pressure Control 30067439-890 This specific limit control isThe 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