Trane CNT3671 Pressure Switch Set the dial to the

Set the dial to the desired maximum or minimum setting

preventing hazardous furnace operation in the event of a blocked flue

the compressor start wire on 'Herm'

If the actuator is sluggish or unresponsive to pressure changes

Trane CNT3671 Pressure Switch Set the dial to theThe Trane CNT3671 Pressure Switch is an essential OEM replacement part designed for precise airflow monitoring in gas furnace and air handler applications. This . 20" WC SPST air pressure switch functions as a critical safety limit, ensuring the inducer motor establishes proper static pressure before the ignition sequence initiates. Rated for a single pole single throw (SPST) configuration, the CNT3671 features snap acting contacts and is engineered