General Pump - Interpump


General Pump K9 Soft Unloader up to 13.2gpm 5800psi

General Pump / Interpump K9 / (ZK9 GP) flow activated unloader valve.

5800psi Maximum Rated Pressure

  • 2.6 to 13.2gpm Flow
  • 1/2" Female Inlet / Bypass
  • 1/2" Male Outlet
  • 165°F Max Temperature


Unloader valves are one of the most important safety devices on a pressure washer system. Failure to install and set the unloader properly could result in a very dangerous situation causing severe damage to the pump and possibly the operator.

Professional installation is required.