Trane CNT4991 Pressure Switch 321142-301 this is an OEM solid

this is an OEM solid state board configured with factory-set timings for immediate installation and operation

40" water column setpoints for precise safety monitoring

and fan functions from a single interface

The Carrier 326627-762 Inducer Housing Kit is a critical OEM replacement component designed for non-condensing gas furnaces

Trane CNT4991 Pressure Switch 321142-301 this is an OEM solidThe Trane CNT4991 is a 10 inch SPST pressure switch engineered for precise atmospheric monitoring in high efficiency Trane and American Standard HVAC systems. This OEM air pressure switch features a single pole single throw (SPST) contact configuration, rated at 0. 1" WC (water column) for low pressure detection. It is designed to interrupt or complete the 24V control circuit (rated at 28 VA) when specific airflow or flue gas pressure thresholds are