EWC Controls SAS Sensor 321042-401 the Carrier 48TC003644 Fan Blade

the Carrier 48TC003644 Fan Blade provides the exact physical and aerodynamic profile required for high-static rooftop units and commercial condensers

How do I tell if the filter drier is restricted

and water flow in commercial boilers

The single set screw design provides a secure fit on the motor shaft

EWC Controls SAS Sensor 321042-401 the Carrier 48TC003644 Fan BladeThe EWC Controls SAS Sensor is a precision duct mounted supply air sensor engineered for high accuracy temperature monitoring within residential and commercial HVAC zoning systems. This thermistor based sensor is the direct replacement for ZPS components, providing seamless integration with legacy EWC Ultra Zone legacy boards and modern NCM300, BMPlus, and 3000 series controllers. Designed for discharge air temperature monitoring, the SAS provides