ok finally got round to installing my tank and hope to ge tthe rest set up today. anyways bought all this stuff Feb 08 and it seems i dont have a tank elbow.
I also have these other fittings.
one is the brass connector for tank and i assume the angle brass is for hose reel along with othe rbrass pieces but what are the 2 black plastic things for ?

also pump strainer is this connected at inlet side of pump