Lucas Milhaupt Sil 15 Silfos
Sil-Fos 15 is the preferred alloy for general copper-copper brazing; the phosphorous in the Sil-Fos family serves as a fluxing agent, no flux is recommended. Two Great products from @solderweld4078 Hot block is a great way to stop heat transfer. And I love these 15% silver solder round Lucas-Milhaupt - See Handy One® in Action Brazing Course Brazing in a HVAC unit! #tools #braze #skilledtrades #bluecollar ...