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  1. #1
    Join Date
    Jul 2005
    New to the form. Homeowner question.
    I had a ac tech install a york heat pump and he didn't use any flux when he brazed the connection. Is this normal practice?
    Thanks txg

  2. #2
    Join Date
    Dec 2003
    Location!, Location!
    Yes, it can be normal with brazing alloys. There are some eutectic rods that have the flux on them already, and 45% needs flux, but most-dynaflow, 15- only need cleaning and, optimally, a nitrogen sweep during brazing. Soft solders require paste or acid(except in refrigeration systems) fluxes, but that's soldering, not brazing.

  3. #3
    Join Date
    Jul 2005
    Thank's for the reply.

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