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Thread: Solenoid not working..CO2 keeps flowing

  1. #1
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    Solenoid not working..CO2 keeps flowing

    I have the Neptune solenoid positioned between the needle valve and 1-way valve to control CO2 flow to calcium reactor. I can hear the valve open and close but it does not stop gas flow. My reactor ph dipped very low overnight even though the solenoid was off. Am I doing something wrong?? Even opening and closing the solenoid manually does not stop flow.

  2. #2
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    Is the solenoid plumbed the right way?

  3. #3
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    Quote Originally Posted by vhuang168 View Post
    Is the solenoid plumbed the right way?
    I assume so, arrow pointing toward the reactor and away from the tank regulator

  4. #4
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    There may be debris stuck in it. Install the solenoid reversed flow and open it. Then blow higher pressure co2 through it to clear it.




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