-- Specifications & Features -- Make: Pressure Systems Innovations (PSI). -- Seller Statement -- Make: Pressure Systems Innovations (PSI) Engine Make/Model: Honda GX390 Engine Power (HP or kW): 11.7 HP (8.7 kW) Max Pressure (PSI/bar): 4000 PSI (276 bar) Water Temperature (Max, °F/°C): 250°F (121°C) Works well, needs a hot water sensor -- Contact -- Specialist: Daniel Miller, 440-321-5965.