Johnson Controls (PENN) P170AA-118C, Pressure Control; 100/400# PSIG 5 Bu Diff. Adj.35/200# Psi

Johnson Controls (PENN) P170AA-118C, Pressure Control; 100/400# PSIG 5 Bu Diff. Adj.35/200# Psi. Johnson Controls P170, P70 and P72 series were designed for dual pressure applications for commercial refrigeration and air conditioning systems, or high- and low-pressure requirements. These dual-pressure controls devices are used for tasks like high-pressure cutout, head-pressure control, and condenser fan cycling.