Neptune Systems

DOS Replacement Pump Head

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Direct replacement fluid metering head assembly for the Neptune DŌS Dosing Pump. The easy to install head replaces the tubing, roller, and plastic housing head cap.

  • Compatible with DŌS and DŌS QuietDrive
  • Installs in minutes
  • Replaces wearable tubing


The Neptune DŌS Replacement Head assembly comes with everything to replace the current fluid metering head on your DŌS system. Over time, the self-lubricating tubing will start to age, and can also cause excess resistance and unnecessary wear on the motor.


How to Replace

Step 1: Hold down the sides of the DŌS Head and the clips will release. Remove the pump head and set it aside.

Step 2: Pick up your new pump head and slip it right down into the old heads position and the clips should click into place. Test the Pumps rotation with the manual priming buttons.

Replacement Head Instructions


What's Included?

1x Replacement DŌS Pump Head Assembly

More Information
UPC 748252989406
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Product Questions

How do you know when it is time to replace the pump head?
Question by: Andy Dubey on Aug 19, 2022, 11:20 AM
Great question! There really isnt a specified time to replace these. Generally you replace them when you are having an issue or something breaks. That said best practice would probably be once a year!
Answer by: James Johnson (BRS Staff) on Aug 22, 2022, 4:59 PM