Suttner ST-160 Foam Injector

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On top of having the ability to create foam, one of the main benefits of this injector is that it can precisely meter the soaps from 10:1 - 200:1. It automatically mixes the soap and water to a chosen ratio and eliminates soap waste or pre mixing. The ST-160 arrives ready to run at 100:1(1%) dilution, the ideal strength for all of our washes.  

In order to create foam you will also need a Suttner ST-75 foamer in the mix and it must be sized accordingly. We do offer ready to go complete kits that include the injector plus the ST-75, The Silencer Foaming Kit and The Big Easy Foaming Kit. You can also choose an appropriate foaming lance in the following lengths: 14" 32" or 44"

The ST-160 installs on to the outlet of your power washer via 3/8" QC Plug on the inlet and 3/8" QC Coupling on the outlet and comes with 10' of pick up tube. 


  • Durable Stainless Steel housing
  • Min/Max Flow Rate: 1-21 GPM
  • Min. PSI: 1000
  • Single chemical use
  • Food grade quality and specification


  • Suttner ST-160 Injector
  • 3/8" Plug (inlet)
  • 3/8" Coupler (outlet)
  • Clear Pick Up Tube and Strainer
  • 9 Dosing Nozzle

    Click here for parts diagram

    *Other downstream injectors must be removed from your machine.
    *Limited to 150' of power washer hose after the injector.
    *ST-160 injectors come standard with a 3/8" QC Plug on the inlet and a 3/8" QC Coupling on the outlet. QC orientation can be reversed upon request.


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    Filter Reviews:
      Jean O.
      United States United States
      St-160 /stars & stripes

      excellent products, I am very grateful