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Thread: r22 to 410

  1. #1

    r22 to 410

    When a old unit is running r22 and one is replacing it with a new r410a, is there anything different they have to do in install of new unit with lines etc......

  2. #2
    Join Date
    Aug 2002
    Office and warehouse in both Crystal River & New Port Richey ,FL
    There's a whole list of things that are important,check around this site.

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