Use the optional ST-61 metering valve for accurate soap flow adjustment

**Caution**

Replacement pump fits most 8 to 15 hp engines with a 1" inch horizontal shaft

Simply turn the knob to the desired side and setting on the easy to read legend plate

General Pump "TSF 66 Series" TSF2021 3600psi 8.5gpm Solid Shaft colour_blue Use the optional ST-61 meteringGeneral Pump Interpump 66 series TSF 2021 triplex pressure wash pump. 3600 PSI Maximum Rated Pressure 8. 5 GPM @ 1750 RPM 7. 0 GPM @ 1450 RPM Shaft Diameter: 24mm Inlet: 3 4" FPT Outlet: 3 8" FPT Unloader sold separately. Do not install pump without unloader or pressure regulator. Professional installation is recommended.