What union (mm) do I need for OTP-2000 pump to work

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Dec 22, 2013
Louis D wrote
I purchased an OTP-2000 pump from a local retailer but its not set up for skimming. I can't seem to get the other screw off the old pump so I'm guessing I need the replacement union but which size do I need? This is going on a NWB-150 skimmer.

Thanks,
Louis D
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2 Answers
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Dec 23, 2013
Carlos agent wrote
Louis,

I am sorry for the inconvenience.

Are these the parts that you are missing to turn a water pump into a skimmer pump?

http://www.coralvue.com/otp-pump-black-output-adapter
http://www.coralvue.com/otp-pump-air-intake-venturi

Let me know,

Carlos Chacon
CoralVue
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Dec 23, 2013
Louis D wrote
I may be able to use the parts your showing from the old pump (not sure). I was mainly talking about the screw on the top of the pump that connects to the skimmer itself. It's currently too small. I can email pictures with the pumps side by side of you can end me an email.

91mini@gmail.com