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Dosatron - D20S 100 GPM Injector With By-Pass & Leg Kit Included (D20S)

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Dosatron - D20S 100 GPM Injector With By-Pass & Leg Kit Included (D20S)
Dosatron - D20S 100 GPM Injector With By-Pass & Leg Kit Included (D20S)Dosatron - D20S 100 GPM Injector Basic Installation Example (D20S)
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Product Weight: 
28 lb
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Description and Overview 

Dosatron units feature superior engineering to create the most durable, easy-to-use, low-maintenance product on the market. We manage your chemical application through repeatability, regardless of fluctuations in pressure or flow. Dosatron also supports you every step of the way with world-class customer service. Trust only genuine Dosatron products.

How Dosatron Injectors Work:
The Dosatron pulls up solution like a syringe, drawing in the concentrate with the plunger. On the down stroke, the concentrate is displaced into the body of the Dosatron, where it mixes with the incoming water. Then just the right amount of fertilizer is discharged into the water line.

Dosatron Fertilizer Injectors Are:

  • Water-powered, non-electric
  • Accurate regardless of variations in flow and pressure
  • Easy-to-adjust
  • Consistent with low pressure loss and provide a precisely blended solution


  • Part Number: The final part number is determined by options -- please give us a call if you need assistance choosing the best model and options for your application.
  • Connection Size: 2" NPT
  • Weight: 47 lbs
  • Dimensions: 55" x 15" (with legs); 42" x 15" (without legs)
  • GPM: 5 to 100 GPM (18.9 to 379 LPM)
  • Pressure: 2 to 120 PSI
  • Ratio Range: 1:500 to 1:50
  • Percentage Range: 0.2 to 2%
  • Ounces Per Gallon Range: 0.256 to 2.560
  • Included Accessories: Set of legs, manual bypass, suction hose with strainer, vacuum breaker, operating manual.

Dosatron Injector Model Options/Part Codes:

  • V - Identifies the type of hose (stands for Viscous)
  • AF/VF - Identifies the type of seals (AF = Aflas or VF = Viton)
  • P - Identifies the type of housing (stands for PVDF or Kynar®)
  • D - Car wash units
  • K - Kalrez®
  • BP - Units with by-pass option
  • IE - Units with side-injection option
  • II - Identifies the region (stands for North and Central America - Dosatron International, Inc.)




Dosatron - High Precision Nutrient Dosers

Creating the right nutrient mix for your hydroponic growing operations is a delicate science. With Dosatron’s full line of Nutrient Dosers, you can automate your process to create fine-tuned, multi-chemical mixes with repeatable results, every time!

They are water-powered so no electricity is needed and compared to other dosing products on the market, they are easy to maintain and keep in service — saving you time and money.


  • Used to accurately fill reservoirs or in a drain to waste system — eliminating the need to measure and pour
  • Easy to adjust the amount of nutrient being dispensed — simply turn the dial to set the necessary dosage rate
  • Designed to perform in both indoor and outdoor environments
  • Precise nutrient management will save you money by eliminating waste and increasing yields
  • Simple and inexpensive to maintain — easy to use!

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