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Author Topic: port a torch tip size for 4 ton heat pump compressor  (Read 50 times)

Offline romanowski72

  • Technician
  • Member Since: Dec 2011
  • Posts: 77
port a torch tip size for 4 ton heat pump compressor
« on: September 23, 2016, 08:57:35 AM »
Hey guys, simple question for you experienced hvac techs.  I have the porta torch and have to do a 4 ton heat pump compressor swap today or monday, never worked on a  pump this big, normally do commercial refrigeration, and the mitsubishi, fujitsu mini splits.  What is a good torch head size, normally use a 1 or 2 (for my particular think its J1 or J2), dont think thats big enough to get the tubing hot enough for the solder to flow on 3/4" or 1" copper.
Wondering if I should stop and get a bigger tip.
What is a good size?


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