What are these connections for?
 

I was recently working on a 41' outterlimits and saw these connections. They look as if they are some kind of hydrolic lines for something. If you have any info about this please comment. I will post a picture.

Probably freshwater flush fittings. Did you try tracing out the houses from the fittings to see where they went?

Yeah the go into the hull. I know they aren't flushes because they are completely seperate from the engines.

i want to say they are for airing out the hull,,dont know if its done with air or water??

Explain what you mean when you say "airing out the hull"