How do I confirm this part fits my specific furnace

546-inch junction lead

this kit includes a high-grade rubber ring

As a standard for HVACR technicians and contractors

excessive force can deform the sleeve and bypass the isolation effect

Trane CNT4320 Pressure Control Els PW 17895 How do I confirm thisField 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,