Common Questions: What causes a

simply turn the low limit dial to the "OFF" position

This oil pressure switch is designed for a variety of Carrier commercial units

What brands is this motor compatible with

Common Questions & Technical Support Can the 391936 be used on step-opening valves

Johnson Controls P28DN-1 Oil Control Els PW 29614 Common Questions: What causes aThe Johnson Controls P28DN 1 is a high performance lube oil pressure cutout control engineered for pressure lubricated refrigeration compressors. Specifically designed for compatibility with ammonia service and non corrosive refrigerants, this differential pressure switch prevents catastrophic hardware failure by sensing low net oil pressure. The unit features a factory calibrated 30 second time delay relay that provides a critical buffer during