CW219300AV Pressure Switch for Campbell Hausfeld Air Compressors 120/155 PSI, 1/4 Inch Quick-Disconnect Inlet, 26 Amp Replacement Valve Switch for Air Compressor Cut-In at 120 PSI and Cut-Out at 155 PSI

Pressure Switch CW219300AV for 120/155 PSI Compressors
✔️ 4-Port, 2-Pole, 26A, 120/155 PSI, 1/4 inch inlet, single unit

This pressure switch is a replacement control for air compressors, typically used in home shops and garages to manage cycling and unloader valve behavior. It connects to the compressor's check valve line via a 1/4 inch quick-disconnect inlet and supports 120/240V systems.

✅ Part # CW219300AV, 4-Port, 2-Pole pressure switch for air compressors
✅ Inlet: 1/4 inch quick disconnect for check valve line
✅ Current rating: 26 Amps, 120/240V compatibility
✅ Cut-in 120 psi, cut-out 155 psi

💡 What is a pressure switch for air compressors and how does it control the cut-in and cut-out pressures?
- The pressure switch senses system pressure and opens or closes electrical contacts to start or stop the compressor.
- It uses preset cut-in and cut-out pressures (120 psi / 155 psi) to regulate cycling and maintain pressure safety.
- The 1/4 inch inlet connects to a check valve line for reliable operation.
- CW219300AV fits 4-Port, 2-Pole designs for 120/240V systems.

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