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  • Attaches to a propane torch.
  • Propane comes in bright blue tanks and MAPP welding gas comes in yellow tanks.
  • Propane is generally used to heat copper for flaring. However, sometimes there is water in the line that needs to be evaporated so the pipe will heat enough to sweat a joint. Use MAPP gas, but use caution as too much heat can melt the pipe.

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