this kit includes a high-grade rubber ring

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

including the HE

or vibration-induced loosening of the valve bonnet

As a standard for HVACR technicians and contractors

Trane CNT4320 Pressure Control Els PW 17895 this kit includes a high-gradeField 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,