Gas Air Compressor Unloader Valve Combo For 145 To 175 PSI With Three Quarter Inch Inlet And Outlet, Pilot Valve, Pressure Discharge Valve, And Check Valve In One, NPT Compatible, Heavy Duty, DIY Friendly Air System Part

Unloader Valve Combo for 145-175 PSI Air Compressors
✔️ 3/4 in compression inlet to 3/4 in NPT outlet brass body single unit 145-175 psi

This gas air compressor unloader valve combo is designed to keep a compressor running by unloading air and relieving pressure, allowing both gas and electric motors to run without continuous pressure buildup. It’s commonly used in DIY air systems, shop compressors, and rugged outdoor setups where reliable unloading matters.

✅ Material: Machined Brass
✅ Inlet: 3/4" Compression; Outlet: 3/4" NPT to Tank
✅ Port: 1/8" NPT Female for throttle control
✅ Factory set at 145-175 PSI; adjustable 30-40 PSI
✅ 30 CFM rating
✅ Equipped with a manual unloader flip valve at the top

💡 What is a gas powered air compressor unloader valve combo and how does it work in a shop?

It is a compact, all-in-one valve designed to unload pressure and discharge excess air, allowing the compressor to run smoothly without building pressure in the tank.

• Unloads air to prevent continuous pressure buildup
• Works with both gas and electric motors on standard 3/4 in fittings
• Brass body resists corrosion and wear in shop environments
• Adjustable cut-in/cut-out to fit different pressure needs