Powerstroke 2200 Psi Electric Power Washer. Costco has the powerstroke 2,200 psi electric pressure washer for $219!!! Using a 150cc engine, its axial cam pump delivers a pressure of up to 2200 psi (roughly 37 times more than a standard garden hose) and a flow of up to 2 gpm.

The best part of the pressure washer is its electric start and the. 140cc ohv engine for reliable performance.