This 21 GPM 4500 PSI Unloader Valve is a MUST-HAVE accessory that protects your pump and system components from surge shock damage that can often occur when Spray Guns are shut Off at High Pressure.
Features include:
- Up to 21 GPM
- 4500 PSI
- 195 F Maximum Temperature
- 1/2″ In/Outlet & By-Pass
