Johnson Controls Air Flow Switches

Overview

The Johnson Controls P70MA-1 is a dual pressure control switch designed for robust and reliable performance in HVAC systems. This unit features single pole, dual switch (SPST) functionality, accommodating a wide range of pressures from low (20 inches of water column to 100 psi) to high (100 psi to 500 psi) with differentials from 7 psi to 50 psi for low pressure settings. Dual functionality with manual lockout reset capability for safety. Inclusive range for refrigerants such as R12, R22, R134A, R500, and R502. Equipped with a 36-inch capillary and a 1/4 inch flare nut for versatile connections. Product Highlights Optimized for performance and safety, the P70MA-1 ensures operational efficiency and dependable control in diverse pressure environments. Product Information Technical Specifications Pressure Ranges : 20 inches wc to 100 psi (Low), 100 psi to 500 psi (High) Pressure Differential : 7 psi to 50 psi (Low), Advanced lockout features Capillary Length : 36 inches Connection Type : 1/4 inch flare nut Compatible Refrigerants : R12, R22, R134A, R500, R502