SÜA 15% Silver Brazing Joint Solder Ring for 7/8″ O.D. Tubes 25 PACK
How to braze with SÜA 15% Brazing Rings: 1. Couplings and fitting with a stop are preferable. – Heat the tube and fitting uniformly. Oxy/Acetylene, Air/Acetylene, and Propane or MAPP torches can be used.