lennox a/c

anyone here ever heard of a problem on the schreader valve leaking on lennox xc13 ? pardon my english , thanks
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yup...same as any other brand.... less than scrupulous techs will loosen them to create a leak for job security. A good tech, if he finds a leaky one, can replace it in just a few seconds without losing any of the refrigerant in the system.

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Then make sure to install a cap with an o-ring!
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