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This downstream chemical injector is designed to add chemicals downstream from the pump.  In order to operate, a pressure drop must occur across the injector, which draws chemical into the water stream.  Once the pressure drop is established, the amount of chemical injection can be altered by means of an adjusting knob.

WARNING: This product might contain a chemical known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information go to

Specification US Metric
Pressure3150 PSI217 bar
Temperature194 °F90 °C
Inlet Port3/8" MNPT
Outlet Port1/4" FNPT
Weight0.3 lbs.0.14 kg
Oriface Size1.8 mm
Injector Typeadjustable
Nozzle Size Required9
The repair kits listed to the right are available for this pump. If you need further information about these repair kits, or have questions about other specific parts for your pump, please contact you local Giant distributor or contact Giant customer service.
No repair kits available. To replace this item please contact Giant Customer Service.


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  • Giant Industries Limited Warranty
  • 25170-1.8A Literature


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