By separating the pump from engine heat and reducing RPMs

fire hose nozzle

ST-001 lances are threaded both ends 1/4" MPT

0 Nozzle orifice - ST-60 Model = 200160540 #09

Model DYCI (4000psi):

BE 4200psi 4.2gpm Honda GX390 Pressure Washer Cat Pump External Unloader Stainless Frame comet-ready-to-go-pump-assemblies By separating the pump fromBE B4213HSJS Commercial Stainless Steel Pressure Washer 4200 PSI 4. 2 GPM 3 Year Commercial Warranty CLICK FOR WARRANTY & FREE EXTENSION STANDARD COVERAGE: Engine: 3 Years (via Honda) Pump & Frame: 3 Years (via BE) REGISTRATION BONUS: Register within 90 Days to extend the Pump & Frame warranty to 5 YEARS for free. ACTION REQUIRED: CLICK HERE TO REGISTER (Must register to unlock the 5 Year Term) VIEW OFFICIAL WARRANTY POLICY WHAT IS NOT COVERED: