jkevin 15 Report post Posted May 9, 2019 quick question i am going to pick up some nozzles but unsure of which ones i know you go by your machine but my pump is a general ts1011 which says 4.5 gpm and my machine says 3.8 gpm 3500 psi. which should i go by or are they so close it does not matter? thanks 1 Beth n Rod reacted to this Share this post Link to post Share on other sites
Beth n Rod 1,279 Report post Posted May 11, 2019 Both are relative to the tip size. Go by the pumps specs. Given 4.5gpm and 3500psi your nozzle to match the max output should be 4.21 Whatever fan degree is optional ei; 15°, 25°, 40° Rod Share this post Link to post Share on other sites