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Bending line set vs Brazing a 90

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Aserp63
Aserp63 Member Posts: 1
in A-C, Heat Pumps & Refrigeration
When do you bend a mini split line set vs brazing a 90?

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  • GGross
    GGross Member Posts: 1,065
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    you never braze a lineset on a mini split, ever. Use a flare fitting
  • pecmsg
    pecmsg Member Posts: 4,883
    edited July 2023
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    Aserp63 said:
    When do you bend a mini split line set vs brazing a 90?
    No brazing on mini splits. 
    You use soft copper?
  • ratio
    ratio Member Posts: 3,649
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    A lever bender will make a 90° nearly as sharp as a sweep 90° & look a lot better. I'm my experience, a bent 90° adds a negligible amount of head, I rarely add them I'm when I cypher up equivalent length.

    If you have to use a 90° fitting due to the routing, don't be shy with the N₂.

  • JUGHNE
    JUGHNE Member Posts: 11,074
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    You can make a Shepard's Hook by over bending a 90 and doing a reverse bend on the drop section to get the 90 degree angle and hug the wall.
    Just a little bump out when coming out of the building.
  • Big Ed_4
    Big Ed_4 Member Posts: 2,805
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    I use a ratchet tubing bender for line sets , 7/8" down . On non mini splits line sets if you have to braze use sweep fittings . Besides resistance , they are stronger . Less chance of kinking .

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