Pressure Switch Replacement For Porter Cable Air Compressor 140 Psi Cut In 175 Psi Cut Out Quarter Inch Npt Port 120 And 240 Volt Beefy Heavy Duty D20596 Z D20596 Replacement Part

Heavy-Duty 140-175 PSI Pressure Switch, 1/4 in NPT
✔️ Single port 1/4 in NPT, 120/240V, cut-in 140 PSI, cut-out 175 PSI

This heavy-duty pressure switch replacement is designed for air compressors, providing precise 140 PSI cut-in and 175 PSI cut-out with a 1/4 in NPT port and dual voltage compatibility (120V/240V). Built to endure demanding shop use and adaptable to a wide range of models.

✅ Port size: 1/4 in NPT
✅ Voltage: 120/240 VAC
✅ Cut-in/out: 140/175 PSI
✅ Replacement parts: Z-D20596, D20596
✅ Heavy-duty design for high-demand compressors

💡 What is a pressure switch used for in air compressors?

This handy device helps maintain safe, steady tank pressure by turning the compressor on at lower pressure and off at the target high pressure.

- Pressure regulation between start and stop pressures for consistent output
- Protects components from overheating and excessive cycling
- Works with 1/4 in NPT ports and 120/240V electrical systems