4000PSI/4GPM — how to choose?

Discussion in 'Power Washing' started by Hotty Toddy, Feb 10, 2020 at 1:48 PM.

  1. Hotty Toddy

    Hotty Toddy LawnSite Senior Member
    Messages: 284

    I’ve been looking at PWs online. Price variance seems to be several hundred dollars. How does one decide? What other specs do I need to be considering?

    Also, are there advantages/disadvantages to buying from a big box store like HD or Lowes, Amazon, other online stores? What about extended warranty plans?

    Thanks for your advice.

    Darrell
     
    Cam15 likes this.
  2. Mowing monkey.

    Mowing monkey. LawnSite Senior Member
    Messages: 898

    Psi is mostly a marketing gimmick. GPM is what gets the work done.
     
  3. Markusinky

    Markusinky LawnSite Member
    Messages: 23

    It depends on what you want to do with it. I personally have a 4gpm and 4000 psi commercial unit. Honda 390 and cat pump. I can clean a two story house standing. Also use a 20" commercial surface cleaner with it for drive ways and walks. Works good, no customer issues at all. Very strong unit
     
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  4. OP
    OP
    Hotty Toddy

    Hotty Toddy LawnSite Senior Member
    Messages: 284

    For now I want to do hard surfaces — sidewalks, driveways, porches, mailboxes. I might do house washes eventually, but not for now.
     
    Cam15 likes this.
  5. JFGLN

    JFGLN LawnSite Bronze Member
    Messages: 1,994

    Do you ever find that the gpm at a homeowners hose bib is not aqueduct to keep up with the gpm required for the pump?
     
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