Common Questions & Technical Support What is the primary function of the XB-1019A-1B in a cooling system

it is frequently utilized in Lochinvar Knight and A

Direct OEM Replacement: Replaces legacy Raypak air pressure switches

This 24V coil contactor serves as an essential switching mechanism

ensuring uniform water saturation and preventing bypass air leakage

Johnson Controls P70AA-5 Pressure Control R-410A Common Questions & Technical SupportThe Johnson Controls P70AA 5 is a professional grade single pole low pressure control engineered for precision monitoring in ammonia refrigeration systems. This SPST pressure switch features an open low switch action, making it essential for low pressure cut out, pump down control, and capacity management. Built with a rugged all steel case and cover, it protects internal components in demanding industrial environments while providing a "Sight Set"