Trane CNT4991 Pressure Switch 322838-754 though it should always be

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

it is specifically designed to open on rising temperature

often reaching up to 300°F depending on specific system pressure

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

System Reliability: Restores reliable power and data exchange

Trane CNT4991 Pressure Switch 322838-754 though it should always beThe 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