Small (1/4″) hoses are the most common. They are designed for consumer-grade electric and small gas power washers with pressure ratings up to 3,200 psi. Mid-sized (5/16”) hoses are the least common. They are rated for prosumer-grade gas pressure washers that can withstand pressures between 2,700-3,600 psi.Click to see full answer. Accordingly, are all pressure washer hoses the same size?Diameter – Hoses in general are not one size fits all. They may have a different diameter. Usually you can find the small 1/4” hoses which can be used with a pressure washer that is rated for pressure washers up to 2700 psi. The medium hose diameter is 5/16”.Also Know, how long of a hose can you use with a pressure washer? Practical hose length limit: 200-ft And you’re on a relatively straight line of sight to the pressure unit. You could go well beyond 200-ft but it quickly becomes pointless due to risk of hose damage, weight of dragging the dead hose around… Besides, can you pressure wash with a garden hose? Generating higher water pressure from your garden hose allows it to power away muck from automobiles and mold from house siding. You can increase the water pressure of your garden hose, however, by attaching it to a firefighter- or fireman-type nozzle that has a 250 psi rating.Does a longer hose reduce water pressure?The average home water pressure is about 40 pounds per square inch (psi). However, it’s also important to remember that the length of your garden hose will affect the flow rate and water pressure. The longer your hose is, the lower your water flow rate will be.