Posted 11/13/2012 19:25 (#2695427 - in reply to #2695349) Subject: RE: Yellow teflon tape
North Central Texas
Yellow is gas tape for LP or Natural gas and should be used on all Anhydrous Ammonia fittings. Usually you can get it at a plumbing supply or home improvement store. Personally, I like it better for all applications. It is thicker and requires fewer raps. Easier to handle and use.