General Pump - Interpump


General Pump GP2121 Unloader Valve 21gpm up to 2600psi

Interpump YU2121 (GP2121 General Pump) unloader valve.

2600psi Maximum Rated Pressure (yellow spring)

  • 21gpm rated flow
  • 1/2" FPT Inlet / Outlet / Bypass
  • 90°C / 195°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.