How A Pressure Washer Works
Pressure washers clean things like driveways, building walls, sidewalks, and decks that are too dirty that a normal hose can’t wash away. How a pressure washer works is that it uses pressurized tap water that isn’t heated. There’s something that is called a power washer that uses heated water.
Pounds per square inch (psi) is the measuring unit of pressure. Pressure washers use 1500 to 1900 pounds per square inch (psi) of pressure. The first power washer was made by Frank W. Ofeldt II in 1926, and it produced pressure using gas-fired water heaters. He didn’t even want to make it. He accidentally invented the first high-pressure washer.
A version of a high-pressure washer from 1977.
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