Q&A | Ammonia Pipe Labels

Question: I’ve heard that the ammonia pipe labeling requirements have changed. Is that true? Answer: Yes and No. It is true that IIAR updated Bulletin No. 114 Identification of Ammonia Refrigeration Piping and System Components in March 2014. The update includes a fundamental change that we will address in this blog. Before doing that, however, it is important that we unpack […]