Giant 22900 Series Pressure Trap Unloader Valve up to 13gpm


Giant pressure trap unloader valve.

22900 Series - Models Available:

  • 22910A - 800psi Silver Spring
  • 22911A - 1450psi Yellow Spring
  • 22912A - 2000psi Red Spring
  • 22913A - 3000psi Orange Spring

Always choose the unloader that best matches you pump maximum operating pressure.

  • 2.2 gpm min flow
  • 13 gpm max flow
  • 70°C / 160°F max temperature
  • 1/2" NPT inlet / outlet
  • 1/2" bypass
  • Suitable for multi-gun systems as pressure regulator


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.