System Sensor EPS40-1 Pressure Control 30067439-890 Designed to supersede multiple legacy

Designed to supersede multiple legacy part numbers including CNT05004

This HVAC differential pressure switch is essential for technicians performing rapid diagnostics on Utica boilers or resolving "pressure switch stuck open" errors

Direct OEM Fitment: Eliminates the need for field modifications or bracket drilling in Aaon cabinets

ensuring long-term seat integrity and precise zone control under consistent cycling conditions

maintaining sensitivity for precise thermal response

System Sensor EPS40-1 Pressure Control 30067439-890 Designed to supersede multiple legacyThe System Sensor EPS40 1 is a heavy duty low pressure supervisory pressure switch engineered specifically for dry pipe fire sprinkler systems, pressure tanks, and automatic water control valve supplies. This professional grade supervisory pressure switch features a field adjustable range from 10 to 100 PSI, factory preset to activate at 30 PSI on decreasing pressure to alert teams of critical system pressure drops. Built with a NEMA 4 rated