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For technicians performing TXV troubleshooting and repair
This assembly is typically pre-terminated for Fenwal ignition controls
leading to cold spots and short-cycling of the boiler
ensuring the HVAC safety circuit remains closed only when adequate flow is detected
Can the green spring be swapped for higher pressure ranges
Trane SWT2475 Pressure Switch 319847-401 For technicians performing TXV troubleshootingThe Trane SWT2475 Pressure Switch is an essential safety component designed for high pressure monitoring in Trane and American Standard HVAC units. This high pressure cutout switch features a 425 360# rating, meaning it is engineered to open the electrical circuit at 425 PSI and reset automatically when pressure drops to 360 PSI. This precise HVAC pressure switch calibration prevents compressor damage due to excessive head pressure or restricted