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

Can I use this switch to replace a B4310407

such as the 3-7/16" 2459U

this kit includes a high-grade rubber ring

excessive force can deform the sleeve and bypass the isolation effect

Trane CNT4320 Pressure Control Els PW 17895 This single-pole single-throw (SPST) vacuumField 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,