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Outdoor Power Equipment

Pressure Washers

Pressure Washers Article

A pressure washer is a mechanical device that uses high-pressure water to remove mold, grime, dust mud and dirt from surfaces and objects such as buildings, vehicles and concrete road surfaces. Equipment can be rented or bought that produces pressures of 4000 PSI (around 276 bar) or more.

The most basic pressure washer consists of:

  • a motor which directly drives a water pump
  • high pressure hose
  • trigger gun

    Just like a garden hose nozzle is used to increase the outflowing pressure of the liquid, this machine adds its own power to force high pressure, when a regular nozzle would slow the flow, due to its restricting nature. Note that the pump does not draw more water from the pipe to which the washer is connected than that source can provide; therefore, the water supply must be adequate for a given machine to be connected to it: its flow must be equal, and should be superior, to that of the washer, so that the pump never be starved (which can damage it, see Cavitation).

    Several different types of nozzles are available, each useful for a particular application. Some nozzles cause the water jet to be ejected in a triangular plane, while others emit a pencil-thin jet of water, which spirals around rapidly. Most nozzles attach directly to the trigger gun.

    Some pressure washers, in combination with a particular nozzle, allow detergent to be introduced into the water stream, assisting in the cleaning process. Two types of chemical injectors are available, a low-pressure injector and a high pressure injector.

    Pressure washers are dangerous tools, and should be operated with due regard to safety instructions. The water pressure near the nozzle is powerful enough to strip flesh from bone. Objects in the water supply can be ejected from the nozzle at great velocities. The cleaning process can propel objects from the surface being cleaned, also at great velocities. Pressure washers have a tendency to break up asphalt if aimed directly at it, due to high pressure water entering cracks and voids in the surface.

    Most readily available consumer units (commonly found either online or at hardware stores) are electric or gas powered. The electric ones plug into a normal outlet, and use/produce cold water. Some models can generate hot water, which can be ideal for loosening and removing oil and grease.


  • Pressure Washers Items

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    Devilbiss Pressure Washer Hose, 25', 3/8" I.D. 4000 PSI
    $30.00
    Devilbiss Pressure Washer Broom three tips 1.30MM 65 d_
    $30.00
    Devilbiss Pressure Washer Gun, 3800PSI Maximum, 8GPM
    $24.95
    DeWalt Pressure Washer 3750 PSI Kit W/ Hose, Gun, Turbo
    $109.00
    Devilbiss Pressure Washer 2200PSI Wand, 22-1/2" long
    $15.00
    Devilbiss Pressure Washer Green Spray Nozzle for Quick
    $3.00
    Devilbiss Pressure Washer Wand 29"L Quick Connect 22mm
    $10.95
    Devilbiss Pressure Washer White Spray Nozzle for Quick
    $3.00
    Devilbiss Pressure Washer Adj Wand, 16-1/2" long, 32_
    $18.00
    Pressure Washer Nipple 1/4" QD Male Thread PW-FIT-14-14
    $3.00
    Devilbiss Pressure Washer (3) Quick Couple Tips, 4.0mm
    $8.95
    Pressure Washer 22MM Male To 1/4" Female Fitting
    $3.50
    Devilbiss Pressure Washer Wand, 26" Long, No Connectors
    $3.50
    Pressure Washer Quick-Couple Spray Nozzle 3.5mm Tips-4
    $9.99
    Devilbiss High Pressure Washer Pressure soap wand
    $17.00
    Devilbiss Pressure Washer Red Spray Nozzle for Quick C_
    $3.00
    Turbo Rotary Nozzle Pressure Washer 2400psi
    $15.00
    Pressure Washer Parts Turbo Nozzle for up to 2900 PSI
    $29.00
    Devilbiss Pressure Washer Adapter five quick tips 4.0mm
    $17.00
    Turbo Rotary Nozzle Pressure Washer 3000psi
    $29.95
    Pressure Washer Parts Garden Hose Quick Coupler, Brass
    $4.00
    Devilbiss Pressure Washer Wand, 21" length, 22mm thd
    $7.00
    Devilbiss Pressure Washer Yellow Spray Nozzle for Quick
    $3.00
    Devilbiss Pressure Washer Rotary brushes kit
    $13.00
    Devilbiss Pressure Washer Yellow Spray Nozzle for Quick
    $3.00
    Devilbiss Pressure Washer (4) Quick Coupler Tips, 3.5mm
    $9.95
    Devilbiss Pressure Washer Green Spray Nozzle for Quick
    $3.00
    Devilbiss Pressure Washer Wand 29" long
    $6.00
    Pressure Washer Turbo Nozzle for up to 3000 PSI with w_
    $34.95
    Pressure Washer Nipple, 3/8" QD, Male Thread
    $3.50
    Goodyear Pressure Washer Hose, 25', 3/8" I.D. 3000 PSI
    $25.00
    Devilbiss Pressure Washer Gun 2200PSI Maximum 8
    $15.00
    Devilbiss Pressure Washer Green Spray Nozzle for Quick
    $3.00
    Devilbiss Pressure Washer White Spray Nozzle for Quick
    $3.00
    Devilbiss Pressure Washer Green Spray Nozzle for Quick
    $3.00
    Devilbiss Pressure Washer Gun, 3800PSI, 6.6 GPM
    $24.95
    Devilbiss Pressure Washer Hose 3600 PSI 25'
    $32.00
    Devilbiss Pressure Washer Green Spray Nozzle for Quick
    $3.00
    Devilbiss Pressure Washer Hose, 50', 3/8" I.D. 4000PSI
    $60.00
    Goodyear Pressure Washer Hose, 50', 3/8" I.D. 3000 PSI
    $45.00
    Devilbiss Pressure Washer Angled Wand 31" overall leng_
    $8.00
    Devilbiss Pressure Washer 1/4" Clear Hose for Soa
    $9.95
    Generac Pressure Washer Turbo Nozzle for electric units
    $9.95
    1.6 GPM HIGH PRESSURE WASHER 2850 PSI Max
    $109.00
    2500psi 2.9gpm Hot Water Pressure Washer 6.5hp Honda
    $2000.00
    Devilbiss Pressure Washer Green Spray Nozzle for Quick
    $3.00
    Devilbiss Pressure Washer Ex-Cell Water Vroom
    $12.00
    Pressure Washer 3/8" NPT Soap Injection connector
    $6.00
    Devilbiss Pressure Washer Hose 50' 3/8" I.D. Rubber has
    $50.00
    Pressure Washer 3/8" NPT Female Threaded Quick Coupler
    $5.50
    Pressure Washer 22MM Male To 1/4" Fitting
    $3.00
    Devilbiss Pressure Washer Yellow Spray Nozzle for Quick
    $3.00
    Devilbiss Pressure Washer Wand 22.5 long 2250psi
    $15.00
    Devilbiss Pressure Washer Red Spray Nozzle for Quick C_
    $3.00
    Devilbiss Pressure Washer Wand, 20-1/2" long, 3000 PSI
    $24.00
    Devilbiss Pressure Washer White Spray Nozzle for Quick
    $3.00
    Devilbiss Pressure Washer (5) Quick Coupler Tips, 3.0mm
    $12.95
    Devilbiss Pressure Washer Wand with five quick tips 30"
    $24.95
    Devilbiss Pressure Washer Wand, 22-1/2" long, 32_
    $19.00
    Pressure Washer 3/8" Male Thread to 1/4" hose barb
    $3.00
    Devilbiss Pressure Washer Rotary brush with wand
    $13.00
    Turbo Nozzle 3625 PSI fit Generac Briggs Devilbiss
    $39.95
    Devilbiss Pressure Washer (4) Quick Couple Tips, 2.5mm
    $9.95
    Pressure Washer 22MM Male Thread to Fitting
    $3.50