the rod must be positioned directly in the path of the burner flame

How do I know if my switch needs replacement

It is not intended for the discontinued VB-9xxx series

and compatibility

2-way normally closed general service valve specifically engineered for low-pressure fluid control in industrial and HVACR systems

Trane SWT3207 Pressure Switch 322057-301 the rod must be positionedThe Trane SWT3207 Pressure Switch is an essential safety component engineered for precise monitoring in residential and commercial HVAC systems. This genuine OEM part functions as a low pressure switch (CO 25#), specifically calibrated to break the circuit at 25 psi to prevent the compressor from operating under hazardous low refrigerant or low ambient conditions. Built to Trane OEM specifications, the SWT3207 ensures that your equipment remains