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Originally Posted by dad911
Well, since we are talking about soldering pipes...... years ago I used to fight it. Then bought a mapp gas torch, that extra heat makes it sooooo much easier than propane. Also, newer 'tinning paste' flux works better, there are solder particles mixed in the flux, as soon as the flux gets hot it turns pipe silver.
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Soldering copper pipes is fun and easy with a mapp torch and modern paste and solder. I plumbed my 8hp 80 gallon compressor to the air dryer with copper to lower air temp over 25 feet. 150+ psi, no leaks.