such as the 3-7/16" 2459U

This single-pole single-throw (SPST) vacuum switch is factory-set to trip at -

How do I confirm this part fits my specific furnace

including the HE

offering improved fitment and long-term durability for existing damper motor linkage setups

Trane CNT4320 Pressure Control Els PW 17895 such as the 3-7/16" 2459UField technicians looking for a reliable Trane CNT4320 pressure switch replacement will find this OEM component essential for maintaining correct draft and combustion airflow. The Trane CNT4320 Pressure Control is a single pole single throw (SPST) differential switch engineered to monitor critical pressure thresholds in residential and commercial HVAC systems. This snap acting pressure control is calibrated to open at 0. 15" WC and close at 3. 0" WC,