The Functional Devices RIBMU1C is a professional-grade track mount pilot relay designed for seamless integration into HVAC control systems and building automation sequences

ensuring reliable performance in both hermetic and semi-hermetic units

Rugged Construction: Built to withstand the environmental demands of industrial HVACR and mechanical rooms

Key Benefits Precise Draft Detection: Factory-set at -1

it also offers full millivolt compatibility

York S1-025-38889-001 Control The Functional Devices RIBMU1C isThe York S1 025 38889 001 Control is a specialized refrigerant pressure control switch designed for precise monitoring of system operating parameters. This HVAC safety cut out is engineered with a fixed setpoint of 30 PSI Open and 60 PSI Close, making it an essential component for protecting compressors from low pressure conditions or managing fan cycling in commercial and residential units. When performing refrigeration system maintenance, utilizing