Function: It is designed to make access to purging and brazing specially for HVAC and refrigeration, easier than taping a tube with a flare fitting onto the copper line, greatly improved work efficiency. Part number: TFXNPB
Hands-Free: This nitrogen purge boot makes the brazing process easier without holding it manually, so this is the reason why you need it. If you do a lot of brazing work, it is truly valuable
Compatibale Sizes: This nitrogen purge tool works on standard ACR sizes: 3/8", 1/2", 5/8", 3/4", 7/8", and 1-1/8 diameter pipes, and the other side is a standard 1/4" fitting that connect to regular hoses. Note: only suitable for round tube, not oval
O-Rings Sealing: This tool can be quickly and tightly fitted onto the ACR copper pipes with these internal O-rings, provides a more sealed, safer, and cleaner system. Compatible with all refrigerants, oils, and flushing agents, durable and long-lasting
Kind Tips: Deburr of the copper pipe first, any little burrs on there will split the rubber and damage them, and these rings are not replaceable; use only with nitrogen; keep pressure below 20 PSIG