I have a 4.7 gpm 3500 psi hot water machine and I'm told 2 - 2502 tips is what I should use for top performance of my surface cleaner. I have K7 unloader and they have top end of around 3600 psi... With the mentioned tips the psi would be around 5500. ... OR should I be using 2 - 25025 tips to...
