“My greenworks 149.00 1800 psi has the dial knobs I the panel but they appear to have no purpose since not connected to anything. Are the just dummy Hobbs for no reason. Thanks”
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I felt the same thing on initially looking at it but they are not knobs they are attachments for the tip you simply pull them off and replace the tip of the pressure washer to give you different ranges of water if you looked closely I believe it's a 12 degrees or something like that and 48 or 45 but that is a good question because I thought the same thing
Sorry, there was a problem. Please try again later.If you mean the one on the attached photo. They are attachment that you pull out and attach to the hose.
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