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How to measure pressure...?

Discussion in 'Power Washing' started by cutyourgrass, Jun 24, 2012.

  1. cutyourgrass

    cutyourgrass LawnSite Member
    Messages: 107

    I have a 4000 psi at 4 gpm pressure washer. To raise and lower the pressure there is a knob you turn to raise and lower. What i would like to know is, Can I add a pressure gauge to my set up without hurting anything? If so, where would I add it. Where the hose attaches to the pump or before there?
  2. Doug Rucker

    Doug Rucker LawnSite Member
    Messages: 105

    you can get one that connects right where you hook your hose to the machine

    FCPWLLC LawnSite Senior Member
    Messages: 352

    Using the unloader in not the preffered method to lower and increase pressure. Use different size spray nozzles to adjust the pressure.

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