Trane SWT3221 Pressure switch 319825-402 maximizing capacity and minimizing drop

maximizing capacity and minimizing drop

In high-efficiency furnaces

Does this include internal circuit protection

this is a specific Nordyne OEM part

it will trigger a lockout

Trane SWT3221 Pressure switch 319825-402 maximizing capacity and minimizing dropThe Trane SWT3221 Pressure Switch is an essential safety component designed for precise furnace draft inducer motor monitoring. Calibrated to a 1. 4" WC set point, this SPST pressure switch ensures the combustion blower is moving sufficient air to safely vent flue gases before allowing the ignition sequence to proceed. It features 1 4" barb connections for secure pneumatic tubing attachment and is built to withstand the high temperature environment of