Trane CNT4991 Pressure Switch 322838-754 What is the difference between

What is the difference between a total kit and a rubber-only kit

Enhanced System Visibility: Provides high-resolution real-time data for industrial equipment monitoring

though it should always be inspected after a trip to identify the root cause of the overheat

Universal Compatibility: Designed for use with air conditioning and HVACR systems utilizing 3/8" liquid lines

this assembly provides a comprehensive solution by including both the pilot-operated valve body and the compatible electrical coil

Trane CNT4991 Pressure Switch 322838-754 What is the difference betweenThe 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