Quote:
Originally Posted by jrref
Just remember most of our condensate lines are buried in the concrete slab so be careful not to damage it with chemicals as you started.
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In CYVs There 4 inch pvc pipe usually where copper lines and pvc drain ran all way up to unit under garage floor slab. They replaced all my line by running new lines through underground cavity by tying rope on to old lines and using the it to pull new lines under and up in side floor box. If they couldn’t do that then out side wall up through attic was other option.