Johnson Controls P128AA-17 Oil Control Refrigerant Common Questions & Technical Insights

Common Questions & Technical Insights Is the SEC99AB-24 compatible with R-410A and R-290

visible blade deformation

Can this be used for diverting service

52 inch water column pressure switch utilizes a 1/4" compression connection for a secure

effectively managing the blower motor control sequence to maximize heat recovery from the plenum before the system cycles down

Johnson Controls P128AA-17 Oil Control Refrigerant Common Questions & Technical InsightsThe Johnson Controls P128AA 17 is a specialized electromechanical lube oil control designed to safeguard pressure lubricated refrigeration compressors from terminal damage. Functioning as a direct replacement for the P28AA 43, this unit accurately monitors net oil pressure by calculating the differential between the oil pump discharge and the compressor crankcase. It features dual 1 4" SAE flare connectors, eliminating the need for capillary tubing