7535 7542 Unloader Blue Spring 21 GPM 4000 PSI Cat Pump TRAPPED PRESSURE Use medium threadlock when installing

Use medium threadlock when installing high pressure components

The unloader valve diverts water flow into the bypass when the trigger gun valve is closed

Unitized valve for easy repair

along with an inlet filter

75 GPH hollow cone nozzle

7535 7542 Unloader Blue Spring 21 GPM 4000 PSI Cat Pump TRAPPED PRESSURE Use medium threadlock when installing7535 7542 Unloader Blue Spring 21 GPM 4000 PSI Cat Pump Provides system pressure setting and protection for single or multiple gun, nozzle, and pump systems. Immediately returns to system pressure when gun opens. Serves also as a secondary relief valve. Compact size and easy installation. Specifications: Pressure range: 800 to 4000 psi Flow range: 1 to 21 gpm Maximum temperature: 180 f Inlet: 1 2" fpt Outlet: 1 2" fpt Bypass: 1 2" fpt Dimensions: 8.