including Norton 271N

they are identical in specification and can be used interchangeably in all applications

as it directly updates older 1F70-358 and 1F80-261 models

For steam services up to 15 PSI

Johnson Controls P70MA-1 Pressure Control Freon including Norton 271NThe Johnson Controls P70MA 1 Pressure Control is a heavy duty dual pressure switch engineered for precision monitoring in commercial refrigeration and air conditioning systems. This SPST switching control serves as the direct replacement for the 2891550, providing a versatile "all range" solution for systems utilizing R 12, R 22, R 134A, R 500, and R 502 refrigerants. It features a low pressure side adjustable from 20" Wc to 100 psi with a 7 to 50 psi