Delonghi Esam 3300 leak

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https://preview.redd.it/gzq8y5ojnw9c1.jpg?width=960&format=pjpg&auto=webp&s=ac7224b0d431b832220013b5775d0f6e5f7e173b

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I just bought this machine used for a heck of a steal although I've found it's leaking at the thermoblock connector highlighted. I've gone in and tried several new O-rings in the connector but none sufficient enough to keep it from leaking. What's more is I can't find any information on a replacement connector for the ESAM 3300 in particular.

Would anyone know a workaround or where to get a connector to fit? If I'm posting on the wrong subreddit I apologize, I'm not really sure where one more befitting would be.