[Kerry]

Originally Posted by dvldoc

Also if it is thin aluminum you can mount the nozzle from the inside and use the bonded washer that comes with the kit. The nozzles are dual mount they can be outside or inside mounted.

thats what I did on my aluminum piping. I mounted two nozzles and its been almost 2 yrs no problems except they came slightly loose, but have not gave me any trouble. use high temp threadlock on them if you are going this route. I might have to re-do them again with threadlock. Be careful though, don't use too much.