Polaris 360 Pressure Relief Valve, Black Max, Polaris 91003011
No.43 Image 9-100-3011 Pressure Relief Valve, Black Used on Polaris 360 Black Max Cleaner. Pressure Relief Knob or Valve is part of the wall connection assembly. Spring loaded (auto / manual) valve releases excess pressure at the wall connection. More Polaris 360 Black Max parts are available on schematic diagram in our parts department.