Trane CNT5641 Pressure Switch 320819-301 Standard protocol dictates using the

Standard protocol dictates using the reset type specified by the manufacturer

which is critical when synchronizing or staggering multiple units to manage total electrical demand

the 32-degree pitch is calibrated for specific York/Coleman CFM requirements

it ensures that your industrial unit heater operates at peak efficiency by providing a reliable 24V signal transition to the fan circuit once the induction process is established

Trane CNT5641 Pressure Switch 320819-301 Standard protocol dictates using theThe Trane CNT5641 Pressure Switch (regularly superseded by CNT05641) is an essential OEM HVAC replacement part designed for precision airflow monitoring in residential and commercial heating and cooling systems.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