Heavy Duty Four Port Air Compressor Pressure Switch One Quarter Inch NPT 95 To 125 Psi 20 Amp 120 Volt Control Switch With Adjustable Unloader And Relief Valve For Single Or Two Stage Pumps

Heavy Duty 4-Port Pressure Switch (Pack 1) 95-125 PSI
✔️ 20A, 120V, 1/4 NPT (6.35 mm), adjustable unloader, four ports

This heavy-duty four-port pressure switch is designed for air compressors, offering automatic start/stop control at 95-125 PSI with an integrated unloader. It suits garages, workshops, and light industrial setups with single or two-stage pumps.

✅ Four-port mounting base for multi-direction installation
✅ 1/4 NPT female thread compatible with most compressors (6.35 mm)
✅ 95-125 PSI automatic start/stop range with built-in unloader
✅ Built-in unloading valve plus optional relief valve compatibility
✅ 20A, 120V operation ensures reliable performance

💡 What is a pressure switch used for in air compressor systems?

A handy explanation: A pressure switch automatically starts and stops the compressor based on the set pressure, protecting the system from overpressure. - It maintains target pressure by cycling the motor - It unloads air to reduce starting current and wear - It uses standard fittings like 1/4 NPT for easy integration