Pressure washing is also known as power washing. It is a process that involves the use of a pressure washer to remove tough stains from surfaces. Such stains can be a result of loose paints, dust, chewing gum, mold, and grime.

Pressure washing is used to wash almost anything ranging from buildings, concrete surfaces, and even vehicles. Gallons per minute or liters per minute are used to measure the volume of a pressure washer.

This value (gallon per minute) is often constant. It is engineered into the pump. In few cases, the pressure can be changed by making adjustments to the unloader valve. A pressure washing machine can generate pressures from 750 to 30000 psi.

Although power washing and pressure washing are used interchangeably in many situations, some argue that they are two different things.

A pressure washer is made up of jets. These jets are placed on a rotating bar. This bar can bend when there is water flow. This process causes a uniform cleaning pattern that is capable of washing flat surfaces at a fast rate.

A more powerful form of power washing called Hydro-jet is used to get rid of debris and buildup in lines and tanks.

Application of Pressure Washing

Pressure washing is utilized in the home and industries. It helps to minimize hazards, reduce allergies and improve aesthetics. Pressure washing can be applied on the following surfaces

  • Decks
  • Driveways
  • Gutters
  • Siding
  • Roofs
  • Sidewalks
  • Cladding
  • Parking lots
  • Patios

Pressure washing demands that you use an appropriate nozzle and an appropriate amount of pressure. The amount of pressure applied depends on the type of surface to be cleaned.

Washing Machine Nozzles

The basic function of a nozzle is to change the speed and direction of water flow. Once this happens, the user can cover a greater distance. More pressure can also be applied to remove stubborn stains although this is not a safe approach.

Nozzles are coded with colors so that they would be easier to identify. The black nozzles cover up to 65 degrees and this is the highest. While the red nozzles cover the least.

Red nozzles are not so safe because they can cause damages to the surface being cleaned. They can also cause injury to the person operating the machine.

Setting Up a Pressure Washer

Procedures involved in setting up a machine aren’t the same for every machine. However, setting up a pressure washer is not as dangerous, it just requires following simple step-by-step guidance.

The first step is to get accustomed to what a pressure washer is. Next, you will bring the parts together and fix them up. Before kicking off, ensure that the machine has enough gas and oil.

Connect a large garden hose to the source of water. Double-check to ensure that it is firmly fixed, then similarly fasten the spray gun. Next, force the air out of the water lines, switch on the fuel valve and adjust the choke.

Finally, the pressure user is ready for use after you must have switched on the ignition.


Getting accustomed to pressure washing and pressure washers is not such a difficult process. Once you have gathered these basics, be prepared to enjoy a stress-free life.


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