Was that 1/4" OD aluminum tubing? Can you flare that big enough to attach to the 3/8" brass orifice on the burner or did you get an adapter? In fact your burner orifice looks like it has a valve on it. Is that different from the orifice that came with the burners?
I have for sale an all brass 6 head beer tower. It is used but has been very well cared for. All 6 valves are brass and are in working order. It is currently set up for glycol but could be used as an air-cooled unit when attached to a "keezer". The chill blocks are cast aluminum and are...