The SIP CW4000 Pro Plus Electric Pressure Washer offers versatility through variable pressure output and water flow rate, ideal for a range of applications including commercial demands, durability through a brass-headed Triplex crankshaft pump and slow-running brushless induction motor. As elsewhere across the SIP CW range, the 4000 Pro Plus is built with Total Stop, which stops power when not in use for lower energy use and higher savings. 2175psi (150bar) max. pressure and 540ltr/hr flow rate 1450rpm 4-pole slow-running brushless induction motor for longer life Heavy-duty brass-headed Triplex crankshaft pump for high durability Total Stop function stops power when the machine is not in use, for reduced energy consumption, higher cost savings, and reduced pump wear and tear 10mtr heavy-duty hose and steel lance with adjustable nozzle Integrated 1.8ltr detergent tank and adjustable regulator Extra-large wheels for movement on uneven terrain Heavy-duty stainless steel valves