Gas, Interior & Insulation   StartMeny Album MiniAlbum Previous Next The more elegant way to solve the problem. But still we have a problem with the fittings. In spite our threads in the fitting are the same as in NZ ( US, AU and some more) they don't want to fill it because lack of a NZ control number. This is our NZ bottle, but sometimes we even managed to get our Swedish one filled. Other times we had to use the hose method from the NZ bottle.