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  1. #14
    Join Date
    Apr 2003
    Location
    Maple Grove, MN
    Posts
    3,269
    Post Likes
    Quote Originally Posted by Techbullet View Post
    I was just wondering why can't we Solder these tubings (using the electrical approach, soldering iron) instead of Brazing (gas/flame)? If an electric soldering gun can't get that hot on 110v then why not using 220v electric which is around us as the outside condenser unit!
    One reason is because soft soldered refrigerant joints are against fire code. (In a fire they can come apart and either feed the fire and/or create toxic fumes).

  2. Likes BALloyd, Metalman0880 liked this post.
  3. #15
    Join Date
    Jul 2018
    Location
    Ohio
    Posts
    399
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    We use it frequently both hard and soft copper. Personally I'm not a fan, takes far longer to prep the lines to be able to join them than it's saving on the brazing and nitrogen. When you factor in the costs of the fittings in my opinion you've lost the incentive when you add that much more labor.

    Sent from my XT1710-02 using Tapatalk

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