Pressure Switch For Air Compressor 145 To 175 PSI Cut In Cut Out Quarter Inch NPT 120V Or 240V Fits Home And Shop Units Replaces 5140110-49 Works With Porter Cable And Black And Decker Pro Grade Replacement For Quick Fix

Air Compressor Pressure Switch 145/175 PSI, 1/4 NPT, 120/240V
✔️ 145/175 PSI cut-in/out, 1/4 in NPT, supports 120/240V use, Pack size: 1

This pressure switch is a replacement part for air compressors, designed to regulate the pump by turning it on at lower pressure and off at a higher pressure. It’s commonly used in home and small shop air systems, replacing worn or faulty switches.

✅ Replacement Part: 5140110-49
✅ Cut-in 145 PSI, Cut-out 175 PSI
✅ 1/4 in NPT port for standard fittings
✅ 120V or 240V operation for common units
✅ Fits Porter-Cable and Black & Decker Pro Grade units

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

This handy device controls when the compressor runs, keeping pressure within a safe operating window. - handy control of start/stop at 145/175 PSI - fits 1/4 in NPT ports for standard setups - works with 120V and 240V power supplies