7535 7542 Unloader Blue Spring 21 GPM 4000 PSI Cat Pump TRAPPED PRESSURE No external moving parts or

No external moving parts or springs

Unitized valve for easy repair

Use medium threadlock when installing high pressure components

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

YU2158 unloader S

7535 7542 Unloader Blue Spring 21 GPM 4000 PSI Cat Pump TRAPPED PRESSURE No external moving parts or7535 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.