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it includes a changeover switch (SPDT) that can trigger an alarm circuit when the pressure differential falls below the setpoint range of 4
specifically the EK-164S model
Key Benefits Direct Replacement: Seamlessly replaces the older 40-4A3-3AM model without piping modifications
Does this unit support dual fuel systems
such as dirty air filters
Johnson Controls P72CA-13 Pressure Control 30067439-890 it includes a changeover switchThe Johnson Controls P72CA 13 Pressure Control is a heavy duty high pressure cutout designed for professionals managing commercial refrigeration and HVAC systems. As a DPST pressure switch, this unit provides direct control for 208 240V single phase motors up to 3 hp and 208 220V 3 phase motors up to 5 hp, making it an essential component for condenser fan cycling and high limit protection. Housed in a rugged NEMA 1 enclosure with an all steel case,
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