Difference between "in" & "out" keg disconnects?

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how1

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Is there a difference between the gas "in" quick disconnect on a corny keg and the beer "out" disconnect? I have a very slow leak and I think it is because I am using a beer "out" disconnect on my gas "in" side. I know I can use soapy water to find the leak, but if there is a difference in disconnects I would rather change out the disconnect first, then check for a leak. The disconnects are different colors for the "in" and "out", just wondering if there is a physical difference between the two. Thanks for any help!
 
Yes, the posts are slightly different in diameter. Put a liquid disconnect on a gas post and you will likely have a leak, as you are currently experiencing. Put a gas disconnect on a liquid post and you will have a very difficult time removing it.
 
OK, great! That should solve my problem. Thanks for the help.
 
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