NSF_ANSI_Standard_61_Blue_transparentThis Dosatron is Certified by NSF to NSF/ANSI 61 & 372 Standards.

Dosatron is the only company with a selection of water-powered chemical injectors that are NSF/ANSI 61 & 372 Certified. There is no need for electricity and they compensate for water flow and pressure changes providing consistent, repeatable results. Dosatrons are simple to use and adjust allowing for flexible dosage rates, and they are easy to maintain saving you time and effort.

This injector is perfect for:

  • Sodium Hypochlorite
  • Calcium Hypochlorite
  • Hydrogen Peroxide


  • Water Potabilization
  • Water Disinfection
  • Water Sanitation



Special:Certified by NSF to NSF/ANSI 61 & 372 Standards
Connection Size:1 1/2" NPT
Unit Weight:12 lbs
Dimensions:26 3/8" x 8 1/2"
Flow:2.2 to 40 GPM (8.32 to 151 LPM)
Pressure:2.2 to 116 PSI
Ratio Range:1:3000 to 1:800
Percentage Range:0.03 to 0.125%
Included Accessories:6' clear suction hose, weighted strainer, mounting bracket and quick start guide.
Specification Sheet:Preview / Computer Download
Recommended Accessories:Click here for accessories


Dosatron model name definitions.

All options are not available for every model. Please CHAT or CALL 800-523-8499 to find the best seal for the chemical you are injecting.
  • V: Identifies the type of hose (stands for Viscous)
  • BP: Units with bypass options
  • P: Identifies the type of housing (stands for PVDF or Kynar®)
  • IE: Units with side injection option
  • WL: Certified by NSF to NSF/ANSI 61 Standards
  • D: Car wash units
  • HY: Hydroponic / Nutrient Delivery System units
  • AF/VF: Identifies the type of seals (AF = Aflas® or VF = Viton®)
  • K: Kalrez®
  • II: Identifies the region (North/Central Am. – Dosatron International, Inc.)


Need help finding the correct model for your application or just have a question? Feel free to give us a call. We are here to help you Monday through Friday from 8:30 am to 5:00 pm, Eastern Time.

Support Documents

Technical information to help you with your D40WL3000NAF! Click on the icons to view or download to your computer or mobile device.


Recommended installations for your D40WL3000NAF.

Installation illustrations are to be used as a reference guide only.