Trane CNT5641 Pressure Switch 322838-754 Integrating this genuine Bard replacement

Integrating this genuine Bard replacement part ensures the system remains compliant with original equipment safety standards and restores reliable high-temperature protection

Using a high-amperage HVAC contactor like this model helps mitigate heat buildup during these events

Durable SPST Configuration: Designed for seamless integration into 24V furnace control circuits with high-reliability dry contacts

iron-oxide contaminated environments

As an HVACR contractor replacement part

Trane CNT5641 Pressure Switch 322838-754 Integrating this genuine Bard replacementThe Trane CNT5641 Pressure Switch (regularly superseded by CNT05641) is an essential OEM HVAC replacement part designed for precision airflow monitoring in residential and commercial heating and cooling systems. This SPST air pressure switch features snap acting contacts and is rated for 28VA pilot duty at 24VAC, ensuring reliable communication with the furnace control board. Engineered to engage at 0. 10" WC, it prevents the ignition sequence if the