General Pump - Interpump


General Pump K7 Soft Unloader up to 10.8gpm 3000psi


General Pump / Interpump K7 / (ZK7 GP) flow activated unloader valve.

3000psi Maximum Rated Pressure

  • 3/8" Female Inlet / Bypass
  • 3/8" Male Outlet
  • 165°F max temperature

Models Available:

  • Z-K7.0 - 2.1 to 3.0gpm
  • Z-K7.1 - 3.0 to 4.2gpm
  • Z-K7.2 - 4.2 to 6.6gpm
  • Z-K7.3 - 6.6 to 10.8gpm

Always choose the best match for your pump GPM.


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.