Robertshaw O12-1549 Refrigeration Pressure Controller

The Robertshaw O12-1549 Refrigeration Pressure Controller delivers precise dual-pressure control for commercial refrigeration systems. This adjustable differential and range controller is designed to maintain consistent temperatures and energy efficiency across fluctuating load demands. With an operating pressure rating from 10 Inch Mercury Vacuum to 100 PSI (Open Low) and 150 to 450 PSI (Open High), it adapts to a wide variety of refrigerant circuits and applications.

Key features include:

• Differential pressure rating: 10–40 PSI (Open Low) / 70 PSI (Open High)
• Contact configuration: SPST
• Connection type: 1/4 Inch SAE flare nut
• Capillary length: 36 inches
• Reset type: Auto
• Application: Dual pressure control for refrigeration

Designed for reliability in commercial kitchens, walk-in coolers, and industrial refrigeration, this controller protects compressors and valves while delivering stable temperatures and efficient performance.