This might sound stupid, but I bought a 300psi, 2.6gpm Ridgid pressure washer and after putting it together noticed a tube that is attached to the top of the pump that does not fit into anything. The manual does not indicate what this is for and I am guessing it might be for the soap dispenser, but want to know for sure before I start it up. Can anyone help me identify this?
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Pressure washer question