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  1. #1
    Join Date
    Aug 2019
    Posts
    1
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    Vacuum with coremax

    With all of this info on proper vacuum pulling what do people use when there is a coremax fitting? Does anyone put new service ports? I usually pull Schraders if available for using the vacuum hoses

  2. Likes CEAS-AC-TECH liked this post
  3. #2
    Join Date
    Jun 2011
    Location
    michigan
    Posts
    368
    Post Likes
    Coremax is already a high flow port. No need to pull. And can't pull and pull vacuum anyways.

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  5. #3
    Join Date
    Jan 2002
    Location
    Chicago area, Il.
    Posts
    674
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    It has been recommended to use core depressor tools, to insure the core is fully open, and the C.D.T has much less restriction to flow than the depressors in the end of a hose.

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