I'd typically advise contacting an expert." For a pressure washer with reliable pump, James recommends the Simpson PowerShot 4400 PSI Gas Pressure Washer from Amazon. He says, "Its 4.0 GPM ...

The pump that provides the high-velocity jet of water out of a pressure washer is driven by a gas engine or an electric motor. One is not necessarily better than the other, but it’s important to ...

“The pump freezers, then when you go to start it up again, the sudden rush of water damages the seals.” If your pressure ...

A combination of measurements, based on dBA, reflecting the proximity of the operator to the pressure washer. While our Noise ... for working close by a gas-powered model in particular.