Trane SWT3209 Switch 321894-708 Corrosion Resistance: Finished with industrial

Corrosion Resistance: Finished with industrial coatings to withstand moisture and environmental contaminants common in mechanical rooms

Diagnostic codes are typically cleared by interrupting the 24V power to the board or after 48 hours of fault-free operation

It is essential to verify the shaft diameter and length against the existing fan blade hub to ensure proper seating and pitch alignment

NPT Threading: Standard 3/8" NPT inlet and outlet ports ensure a secure

Trane SWT3209 Switch 321894-708 Corrosion Resistance: Finished with industrialThe Trane SWT3209 is a heavy duty high pressure cutout switch designed for critical safety monitoring in commercial HVAC systems. This SPST manual reset switch is engineered to protect the compressor and refrigerant circuit by opening the electrical circuit when internal pressures exceed safe operating limits. Specifically rated for high pressure applications, the SWT3209 features a factory calibrated 650 PSI open setpoint and a 500 PSI close