OEM Equivalent Four Port Pressure Switch 140 175 PSI Two Pole 120 240V For Air Compressors Compatible With Craftsman DeVilbiss Porter Cable Units Built Tough And Ready to Roll

Four-Port Pressure Switch for Air Compressors 140/175 PSI
✔️ Four-port, 140/175 PSI, 2-pole switch, 120/240V, single unit.

This OEM-equivalent four-port pressure switch is a direct replacement for air compressors, offering built-in unloader and four 1/4 FPT ports. It's commonly used in Craftsman, DeVilbiss, and Porter Cable units to maintain precise cut-in and cut-out pressures and extend pump life.

✅ Four 1/4 in FPT ports with built-in unloader
✅ 2-pole, 120/240V AC operation
✅ Cut-in 140 PSI, Cut-out 175 PSI
✅ OEM-equivalent replacement for Craftsman/DeVilbiss/Porter Cable
✅ Black, compact mounting block for easy installation

💡 What is an air compressor pressure switch used for and how does it work?

It turns the compressor on when the system pressure is low and shuts it off when the target pressure is reached, keeping the pump safe and the system steady.

• handy replacement for Craftsman, DeVilbiss, Porter Cable units
• maintains target pressure: 140 PSI cut-in, 175 PSI cut-out
• supports four 1/4 FPT ports with built-in unloader
• USA-based support and straightforward installation guidance