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Summary: A blue tip flame is best for unsoldering an old pipe. Learn about using torch when replacing home cooling systems with tips from a professional HVAC technician in this free home cooling system repair video.
Tony McClaren is a licensed master journeymen HVAC technician with over 20 years of schooling. He has traveled all over the U.S. installing commercial as well as residential air...read more
"Going to turn my tanks on. Always when I get through with them I shut them off. I'm adjusting until I get a good, the flame I like. The blue tip flame's a good hot flame. I'm unsoldering this joint, because the fitting is wrong and I'm replacing this pipe from out of the house. In some applications we have to replace the line set between the furnace, the A-coil inside and the outside unit. But this application my line set is correct size. I just need to do some modifications to it. Come on. That's what I want to do right there."
eHow Article: Unsoldering Home Air Conditioner Pipes