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ensuring a secure transfer of torque to the damper shaft without slippage
high-amperage Single Pole Double Throw contact set
What causes a high-limit switch to trip repeatedly
which creates a magnifying effect when fluid is present
Johnson Controls P70AA-150 Pressure Control Els PW 17895 ensuring a secure transfer ofThe Johnson Controls P70AA 150 is a heavy duty single pole high pressure control designed for demanding commercial refrigeration and HVACR applications. As a veteran grade fan cycling control, it features an SPST switch with a "Close High, Open Low" action, making it an essential component for maintaining optimal head pressure in systems using non corrosive refrigerants. This mechanical pressure switch operates within a versatile range of 100 to 400