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Engineered with a tamper-proof construction
The internal piston design ensures a tight seal with a minimum pressure drop
In most configurations
The "A" size designation corresponds to specific tonnage ratings based on the refrigerant used
The Trane WHL0721 features a standard 1/2 inch bore
Johnson Controls P70AB-12 Pressure Control Els PW 17895 Engineered with a tamper-proof constructionThe Johnson Controls P70AB 12 is a professional grade single pole low pressure control designed for precise pump down control and low pressure cut out in commercial refrigeration and HVACR systems. This SPST pressure switch features Open Low action, specifically engineered to break the circuit when the pressure drops below the setpoint. With a 12" Wc to 80 Psi range and a highly adjustable 5 Psi to 35 Psi differential, it provides technicians with the
