lineset installation question


Old 05-22-14, 04:12 AM
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Join Date: Oct 2013
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lineset installation question

I noticed that the portion of the lineset that pass thru my wall (probably 3" worth)is not insulated. The armacell type foam starts on the exterior of the house and the interior of the basement and does not pass thru the wall with the 3/4" copper)

Is that an issue?
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Old 05-22-14, 04:47 AM
Join Date: Nov 2011
Location: USA
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Temp. diff. will make it sweat. Armaflex it or spray foam it,would be best.

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