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Backpack sprayers

Discussion in 'Pesticide & Herbicide Application' started by Tony Harrell, Jan 2, 2003.

  1. Tony Harrell

    Tony Harrell LawnSite Senior Member
    Messages: 739

    So, piston pumps aren't good with wettable powders. What are they good for? And what's up with the Echo that has a piston/diaphram pump? I've used wettable powders in a B&G stainless pump sprayer for years. They needed parts replaced occasionally like O-rings and plunger cups. Is that about like the backpacks? We need a FAQ page for stuff like this, I think.
  2. GreenQuest Lawn

    GreenQuest Lawn LawnSite Senior Member
    Messages: 822

    I use diaphram pump sprayers they will work for wettable powders and others. Not sure about a piston/diaphram.
  3. Tony Harrell

    Tony Harrell LawnSite Senior Member
    Messages: 739

    I spent last night reading ALL the searched threads on here about "backpack sprayers", associated links and also did a google search. I have some very good information and it seems that piston pumps are more powerful but, I still haven't found out the reason for the hybrid models.

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