this unit ensures the system maintains optimal setpoints

Does this kit include the terminal block

How do I verify if my valve needs reconditioning

The internal sub-panel is plenum rated

Trane SWT3221 Pressure switch 322057-301 this unit ensures the systemThe 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